Merge "Prune summaries if only group children filtered" into tm-dev am: 4d150d5e am: e294945e

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17453689



Change-Id: I66af4bb754e2e3b223c1108730dae3aea577e0f5
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>