Merge "pagecache: Fixed incorrect regex pattern" into main am: 1f8b180e67

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

Change-Id: Ie9fefefb6a9ff70835dd526d6f43ca42b30416f6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>