Remove duplicate LICENSE information for third_party dependencies and…

… add license information from ACKNOWLEDGEMENTS to main license file.

PiperOrigin-RevId: 412907476
Change-Id: I92c4e9db1083e513d69fa4ac40863de58eb2e852

LICENSE

@@ -200,31 +200,27 @@
    See the License for the specific language governing permissions and
    limitations under the License.
 
-------------------
-Files: third_party/compute_library/...
-
-MIT License
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-SOFTWARE.
-
-------------------
-Files: ACKNOWLEDGEMENTS
+## Some of TensorFlow's code is derived from Caffe, which is subject to the following copyright notice:
+
+COPYRIGHT
+
+All contributions by the University of California:
+
+Copyright (c) 2014, The Regents of the University of California (Regents)
+All rights reserved.
+
+All other contributions:
+
+Copyright (c) 2014, the respective contributors
+All rights reserved.
+
+Caffe uses a shared copyright model: each contributor holds copyright over
+their contributions to Caffe. The project versioning records all such
+contribution and copyright details. If a contributor wants to further mark
+their specific copyright on a particular contribution, they should indicate
+their copyright solely in the commit message of the change when it is
+committed.
+
 LICENSE
 
 Redistribution and use in source and binary forms, with or without
@@ -248,37 +244,8 @@ modification, are permitted provided that the following conditions are met:
    (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
    SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-------------------
-Files: third_party/hexagon
+CONTRIBUTION AGREEMENT
 
-Copyright (c) 2016-2019, The Linux Foundation. All rights reserved.
-
-Redistribution and use in source and binary forms, with or without
-modification, are permitted (subject to the limitations in the
-disclaimer below) provided that the following conditions are met:
-
-   * Redistributions of source code must retain the above copyright
-     notice, this list of conditions and the following disclaimer.
-
-   * Redistributions in binary form must reproduce the above
-     copyright notice, this list of conditions and the following
-     disclaimer in the documentation and/or other materials provided
-     with the distribution.
-
-   * Neither the name of The Linux Foundation nor the names of its
-     contributors may be used to endorse or promote products derived
-     from this software without specific prior written permission.
-
-NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE
-GRANTED BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT
-HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
-WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
-MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
-IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
-ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
-DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
-GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
-IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
-OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
-IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+By contributing to the BVLC/caffe repository through pull-request, comment,
+or otherwise, the contributor releases their content to the
+license and copyright terms herein.

tensorflow/BUILD

@@ -46,7 +46,6 @@ licenses(["notice"])
 
 exports_files([
     "LICENSE",
-    "ACKNOWLEDGMENTS",
     # The leakr files are used by //third_party/cloud_tpu and
     # //third_party/tensorboard/google:copybara_config_test.
     "leakr_badwords.dic",

tensorflow/opensource_only.files

@@ -117,7 +117,6 @@ third_party/clang_toolchain/download_clang.bzl
 third_party/codegen.BUILD
 third_party/common.bzl
 third_party/compute_library/BUILD
-third_party/compute_library/LICENSE
 third_party/coremltools.BUILD
 third_party/cub.BUILD
 third_party/curl.BUILD