msm: kgsl: Advance the profiling shared buffer on error

If there is an error in the per-command profiling shared buffer
(e.g. an offset is incorrect) advance the shared buffer tail
anyway.  Otherwise the parser will just get stuck parsing the
bad result forever.

CRs-fixed: 536983
Change-Id: Ic0dedbade2d0a92ffb03e87fa73bb566bf5f1640
Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>