[automerger skipped] Merge "Remove unused code from ExpandableNotificationRow" into udc-dev am: a0e394b8 am: 1c3d6925 -s ours

am skip reason: skipped by user jeffdq

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21957662



Change-Id: I7f9b8b9dfa9346dff92f603f487dbaa3568dadb9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>