Merge "Moves all compatibility flags to ConnectivityCompatChanges.java" am: 985534c95b

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2428795

Change-Id: I5fe976730175b190c1490648d7e62a32b4f3e1ed
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>