Merge "Merge "Use FLAG_IMMUTABLE on NetworkStackNotifier intents" into rvc-dev am: c5c294b9 am: 4c5a003d am: 9ee5ebab" into rvc-qpr-dev-plus-aosp am: 3aea9e2f am: 220d5531

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/NetworkStack/+/12040941

Change-Id: I73fdf79024aaaa1c169576f7814659f7a4c1c218