Android 7.1.2 Release 2 (N2G47E)
Merge "Update ninepatch prebuilt" into nyc-dev am: 090ae0cfa1 am: ae5986e740 am: 5182e681e2
am: 85e10d989a

Change-Id: I04a28fc41fa1d466b7300cb8bd084ed88356d673