Revert "Suppress null-dereference warning temporarily"

This reverts commit f57d2ca2a3a985cc266ea1573c1766d8c395fcdf.

Reason for revert: Broke various B1/C1, B4/S4 targets:
./hardware/google/av/codec2/include/C2Param.h:992:24: error: pragma diagnostic expected 'error', 'warning', 'ignored', 'fatal', 'push', or 'pop' [-Werror,-Wunknown-pragmas]
#pragma GCC diagnostic ignore "-Wnull-dereference"
^

Change-Id: I5b4fc312b227a672f21cc63262e8b40d47aa9810
1 file changed
tree: 0343b48e59385f055804d828b101942acc6aae07
  1. codec2/
  2. hooks/
  3. media/
  4. Android.bp
  5. OWNERS