[automerger skipped] Merge "Add CTS testing for ConnectivityDiagnostics Data Stall callback." into rvc-dev am: 9ce134cf40 am: 577e458982 am: 92731b92f7 -s ours am: b816b5182e -s ours

am skip reason: Change-Id If6ceae9d2bbcabf88298d2d8c39cad5275fbd1ef with SHA-1 d1e42d7e64 is in history

Change-Id: If5bfc007b4b817f279cfdfbbb35f0953c4270a04