Merge "Make mutable implicit PendingIntent explicit for security reasons" am: 9b2df0e11f am: 55146f87df

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2346082

Change-Id: Id97d15a716d7f07fa74d78a51ce3a76e44835a24
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>