Merge "Cache resources for unseen footer treatment" into udc-dev am: 9c6d8fea

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22747101



Change-Id: I1d7069a6ed4b4c41f554d365736b6f5dc1f77c90
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>