libbinder: binder thread names ++

As requested by perf team, show domain information first.

So, the thread name might look like:

    binder:3_4
    vndbinder:7_8

Fixes: 220391109
Test: boot, ps -AT
Change-Id: I70d5d15db01887c01e50cf0b6f656d71ff75d045
1 file changed