Merge "Document return values from android.util.Log logging functions" am:...

Merge "Document return values from android.util.Log logging functions" am: 07166bf3 am: c822b157 am: 198722c9 am: 935cd289 am: 35f78d99

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2158819



Change-Id: I7fe496afce16d80a1ea5395907eb1ba472521856
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>