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

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

Change-Id: Ifc2fb9150cfa823cb2aefd604a3ef2b2d0e5e8d3