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 am: ff716c73ea  -s ours am: 77374d698d
am: 99c796c56a

Change-Id: I95c2e8714c1ed9bed672ceb0e3d8f8157248dc8c