msm: vidc: Enable decoder HDR histogram

Enable decoder HDR histogram as default extradata. Histogram
of luma values is generated by firmware for each scene.
Histogram data is provided to clients as extradata and clients
can use this for dynamic tone mapping.

CRs-Fixed: 2384822
Change-Id: If3c09ff718aa0a9951a1c1be2ea45a627d743d3a
Signed-off-by: Mihir Ganu <mganu@codeaurora.org>