gralloc: Return an error if the buffer was not mapped
am: b7d1a389b0

Change-Id: Iafdf515270eb0d2100be83248ee39647994039f3
tree: 12e916ef7cdf04b336d189725c117354cc738c69
  1. msm8084/
  2. msm8226/
  3. msm8909/
  4. msm8960/
  5. msm8994/
  6. msm8996/
  7. Android.mk