So that adding and removing device listeners is thread-safe. Bug: 22909752 Change-Id: I1369ab53c865b54e6e5eb8ea3e8d437fdd1d7197 Signed-off-by: Phil Burk <philburk@google.com>
So that adding and removing device listeners is thread-safe. Bug: 22909752 Change-Id: I1369ab53c865b54e6e5eb8ea3e8d437fdd1d7197 Signed-off-by: Phil Burk <philburk@google.com>