Merge "Remove unused code from ExpandableNotificationRow" into tm-qpr-dev am: 9f00d05c

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/19678982



Change-Id: I8b63116c74271d6f9a09161431af3bdee1d2872f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>