DO NOT MERGE: debuggerd: verify that traced threads belong to the right process. am: 36dd144367 am: 9048b3bb8e am: 6cb199bf4a  -s ours am: 851f840835 am: be484f3f7b am: 1e1eae1992
am: 71908ef2f8  -s ours

Change-Id: I0dda3544e9c6c44b61cd088e1423d42af35ad0e0