Merge "Add doc to getNetworkCapabilities" am: 59d89299c9

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1690668

Change-Id: I81c764ca04e3a300272ba18faa35d9fb0ecb54b1
tree: 7f608dfd75ef6564e43f065a1bba3947a3540d14
  1. framework/
  2. service/
  3. OWNERS
  4. TEST_MAPPING