Don't write glGetIntegerv's to nullptr

Test: GAPID successfully starts up and captures
bug: 110046393

Change-Id: I56a6a42d6b71972c5525fa15db7d25a8488cab24
1 file changed
tree: 339907ea9d7c65dd1e7d076fdc8e36f67d546a21
  1. host/
  2. shared/
  3. system/
  4. tests/
  5. Android.mk
  6. common.mk
  7. README