Merge "[BR07.2] Redirect data saver switch to ConnectivityManager" into main am: 1b2856eef0 am: bbdf1bee86

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2745114

Change-Id: I6ca832bb7a2dc6249a6cbbc0f37771c9b0298e32
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>