tree 5fc903414f38b94b8bd8073434132d20d4d42709
parent 91482ccc8a5262c7ab8c4f44817c27c21f3dbdd5
author Ruchir Rastogi <ruchirr@google.com> 1583370718 -0800
committer Ruchir Rastogi <ruchirr@google.com> 1584634664 -0700

Implement new perfd<->statsd ShellSubscriber comm.

Because we no longer linkToDeath against a binder object to detect if
the cmd process has died, we detect deaths by checking if writes fail.
ag/10476582 proves that writes fail if the cmd process dies.

Test: m statsd
Test: bit statsd_test:ShellSubscriberTest.testPushedSubscription
Test: bit statsd_test:ShellSubscriberTest.testPulledSubscription
Bug: 150619687
Change-Id: I44a777ffff11e5b9298912b2906063c65e9009eb