Merge "Revert "[BR07.2] Redirect data saver switch to ConnectivityManager""...

Merge "Revert "[BR07.2] Redirect data saver switch to ConnectivityManager"" into main am: 8de59702 am: 9ca5201e am: 7e0da92d

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2799493



Change-Id: Id53cad82ab6a61bf2671630425632d72818f8cd9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>