msm: camera: isp: Detect dual camera out of sync using time

Use timestamp to detect when dual camera interfaces are out
of sync. Without using timestamps the interfaces can remain
out of sync for a long time since it takes a while to detect
the out of sync condition based on frame id increment.

CRs-Fixed: 2029680
Change-Id: I21cf2b0a76a7c9d8ad812ffbdbb1b1a36d9af1a5
Signed-off-by: Shubhraprakash Das <sadas@codeaurora.org>