Merge "pagecache: Fixed incorrect regex pattern" into main am: 1f8b180e67 am: 221a21a4d0 am: 203342f3ad

Original change: https://android-review.googlesource.com/c/platform/system/extras/+/2873635

Change-Id: I026bd95cb0c59ff67304a53fd3726c8937723e16
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>