[hwui] Update dispatchFrameCallbacks to be

called with timeUntilDeadline/4 instead of
timeUntilDeadline * 0.25f

Previous value of multiply by 0.25f caused the
overflow when timeUntilDeadline was long.

Test: verified with a test app
BUG: 278433880
Change-Id: I54347e0a4f6a1806b3f8c96bfbec7b758dfb6f00