Merge "Merge "Make WallpaperMS bind wallpaper component PendingIntent...

Merge "Merge "Make WallpaperMS bind wallpaper component PendingIntent immutable." into pi-dev am: 416332cf" into qt-dev am: 2426f275 am: 8a6fa4c1 am: 75b76436 am: 3120bcd1 am: b1549f3d am: b15c160e

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/12715966

Change-Id: Ic764e1f7a42787db79121db180d69ed6a572fde4