message: Add license for android_ndk
  Cr-Commit-Position: refs/heads/master@{#28990}
diff: @@ -34,6 +34,7 @@ import subprocess
  # (right after the `third_party/` prefix)
  LIB_TO_LICENSES_DICT = {
  'abseil-cpp': ['third_party/abseil-cpp/LICENSE'],
  + 'android_ndk': ['third_party/android_ndk/NOTICE'],
  'android_sdk': ['third_party/android_sdk/LICENSE'],
  'auto': ['third_party/auto/src/LICENSE.txt'],
  'bazel': ['third_party/bazel/LICENSE'],
  