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

Change-Id: I2bd7a6994c5d426402ee9d3e2adcc16f603b7c62