Merge "Apply FLAG_IMMUTABLE to the PendingIntent in NetworkStatService.java" am: 2c0bf15a21 am: 3672e620c9

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1481721

Change-Id: I69f5ad02a04e87b78cc9344556c12753a68c540e
tree: 0913adb77d14e3a0d49c56c27974d518adc9b9a3
  1. core/
  2. services/
  3. wifi/