Merge "Add comments to the process*FromAgent methods." am: 300f6e7669 am: cba9e716fc am: 4c0f2da4ea

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1519518

Change-Id: I8de245bb78f39cd9c99d2e5f44dc1ade3c229c15
tree: 6274e860b5ccd4f9a6fb84d21dbde84de0c8581a
  1. core/
  2. services/
  3. tests/