[automerger skipped] [DO NOT MERGE] Fixing unsafe pending intent in notification am: 7ff5163b2d -s ours

am skip reason: skipped by user sunnygoyal

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15727764

Change-Id: I5186b592a2b24d9dafe143e313916ee6bf7036b9