[automerger skipped] [DO NOT MERGE] Fixing unsafe pending intent in notification am: 7ff5163b2d -s ours am: c3ccdd5af9 -s ours am: 9b98f15fde -s ours

am skip reason: subject contains skip directive

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

Change-Id: I473d2d8b7843a6989b3c9cd9d4feb79ff51e723a