Merge "Improve documentation on simulateDataStall" am: faf00d43b9 am: dcd39e81a6

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1669505

Change-Id: Ia0f2e417d06fac1695929e995b1e7c09b82a24da
tree: 52ff9721c9cfa236ba7c3946b8054d852e206391
  1. core/
  2. framework/
  3. service/
  4. services/
  5. tests/
  6. OWNERS
  7. TEST_MAPPING