msm: vidc: Add support for decoder UBWC CR Stats

This change adds support for UBWC CR stats extradata, so that HW
can write UBWC stats into Extradata buffer. This information is
exchanged to consumers through extradata. This information is
useful for optimal run-time bus BW voting.

CRs-Fixed: 2012520
Change-Id: I62c53bd43da0a94cfb7fff6b02f5d449c0f216a6
Signed-off-by: Praneeth Paladugu <ppaladug@codeaurora.org>