Merge "Add logcat APIs." am: e6b57e4a05 am: 0d1016edf6 am: 54f47b9510

Original change: https://android-review.googlesource.com/c/platform/development/+/2264282

Change-Id: I19f1a442f10a162e6b2648858a29e912ce95ba4a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>