Reland: "IPCThreadState: Add a public method to probe is a hwbinder 
         called is being served."

This reverts commit cc986a68b919f0ad8c624b5898d918a7930efffc.

Reason for revert: Dependencies which broke tests due to exclusion from 
                   LOCAL_JNI_SHARED_LIBS have been added.

Change-Id: Iab2d8c65088744812301d980881a45ac2b119d0c
3 files changed