Don't try to capture the pointer when using PBOs for texture APIs

If a PBO is bound, then the pointer argument is a relative offset from
the start of the PBO, not an absolute address.

Fixes b/17063439

Change-Id: I39629ce6c9bb3cb6bac5c9b0311287628306ddd4
(cherry picked from commit 0ad707f2f3d714af7d983d68330ed51dace815f5)
3 files changed