Use -Werror in external/libmpeg2

Bug: 66996870
Test: build with WITH_TIDY=1
Change-Id: I99ca80d03cb33ec08abfeaee3c6ec8ab372f66cc
1 file changed
tree: d97054571b4ac2724b3be86fb6568f0e5be9f8ca
  1. common/
  2. decoder/
  3. test/
  4. Android.bp
  5. MODULE_LICENSE_APACHE2
  6. NOTICE
  7. OWNERS