[automerger skipped] [Ravenwood] Enable PFD.getStatSize and cleanup implementation am: 4ac7fb181a -s ours

am skip reason: Merged-In I011f14bdefb041d6f75a5d4c1d729dc368528d09 with SHA-1 be940db4aa is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/28597575

Change-Id: I81b1ddeca682426de1bfb7e9c1a312b46bee484f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>