Handle multithreading in ActiveGestureLog

ArrayList.add is not thread-safe. Attempting rapid calls across threads is the only way for it to throw ArrayIndexOutOfBoundsException.

Flag: EXEMPT bug fix
Fixes: 360619084
Test: checked TIS logs
Change-Id: I66e5f2e13d5237717abcf42e56efa2942f317676
1 file changed