DoS error - Bitstream Overflow

The decoder could go into an infinite loop if there was an error
encountered after the bitstream buffer had been exhausted. Adding a check
for the same.

Bug: 63316255
Test: re-ran POC after patching
Change-Id: Iebef469ef663781b741889a055a70f261915b23a
(cherry picked from commit d1a1d7b88203a240488633e3a9b4cde231c3c4e3)