msm: vidc: Fix tile info table generation

Tile info table is generated during grid dimension control handling.
This table, however, should be generated at start streaming as the
table values have dependencies on grid dimensions along with
input resolution.

Change-Id: If62b393afb4116ad1ffdba700ccb54da93649187
CRs-Fixed: 2247824
Signed-off-by: Amit Shekhar <ashekhar@codeaurora.org>