[automerger skipped] Merge "Add metrics constant for platform compat UI." into qt-qpr1-dev-plus-aosp
am: 104112d399 -s ours
am skip reason: change_id I1a1a708596ad003a7c95906fe9514db6ec518dfc with SHA1 1380a56438 is in history

Change-Id: I11cce1964af6d746545e06d5d19650583ca6dd93