DO NOT MERGE: debuggerd: verify that traced threads belong to the right process. am: 0528829b73  -s ours am: b9b6ec3644 am: 5920345eeb am: cb4d905c96  -s ours am: e467cced5c am: 174579d6ef
am: a3a674ea10

Change-Id: I95414ed03014463d684b64c06b74a2a8616faaa2