Merge "Handle grep finds no matches." into main am: dee600b9 am: 1a4a3a4d...

Merge "Handle grep finds no matches." into main am: dee600b9 am: 1a4a3a4d am: c5a3a307 am: d38cdb4a am: 57a10b39

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2745856



Change-Id: I6adf88a9022910376bfbb205363879b86f5dd5a5
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>