In tests tearDown() method, ignore IllegalArgumentException
from unregisterReceiver method.
Sometimes the tests may have failed to register a receiver.
In such cases, trying to unregister it later on in tearDown() is unnecessary
and so ignore IllegalArgumentException from unregisterReceiver.

Bug: 23778283
Change-Id: I08bc017d26fe11e69f78d863f988c13dd85b3cbe
3 files changed