[automerger skipped] Merge "Improve performance of generations in the resource...

[automerger skipped] Merge "Improve performance of generations in the resource cache" into udc-qpr-dev am: cfb10296 -s ours

am skip reason: Merged-In I5144f08bb38d0e600b7f556df834292e50afb91c with SHA-1 a9ef8767 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23730646



Change-Id: Ie0597b9cc928a2eca91cb274e46a46f4d8534d21
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>