tree 3ff79d260d8d6c8966f1f5674a8aefda1e6546e4
parent 9380e0821ac57ae10a4d52d4f05c18940e99bf14
author Daniel Colascione <dancol@google.com> 1521845368 -0700
committer Daniel Colascione <dancol@google.com> 1521845368 -0700

Remove ATRACE_TAG_APP from atrace's control

We control app tracing via the -a option, which system properties that
early app startup code inspects. This startup code ATRACE_TAG_APP
internally depending on the value of the properties derived from the
-a space, so letting users control the global value of ATRACE_TAG_APP
from atrace provides a false sense of control.

This CL removes the ability to set the global tag, directing user
attention to the -a option instead.

Test: code inspection
Change-Id: If981ba302db27da1c9f1942cf54d400bd4672b73