Android platform 12.0.0 release 15
Merge cherrypicks of [18589980, 19785208, 20123964, 20211483, 20226663, 20218918, 20101526, 20248333, 20241730, 20120992, 20210471, 20256127, 20192284, 20219552] into sc-platform-release.

Change-Id: Iab26c0e0ef7754bf19e40af1d99ed4d3d23319af