Merge "Limit the accepted length of SIM PIN to 8 digits" am: 7547a2454d am: 8b97661f1f am: 40987da89f

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/188723

Change-Id: I3dee96de9e4ca626ba5591bc59c47b0daf3886dd
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>