msm: camera: reqmgr: Skip apply for initial sync req on slave link

This change is to stop slave link to apply initial sync request
in the same frame duration in which master apply initial sync
request. Slave link should wait for the master link to apply
initial sync request first and then slave should apply initial
sync request in the next frame.

Change-Id: I8f1f54bbf674df1c578e6041eaa08869949728b3
Signed-off-by: Ayush Kumar <ayushkr@codeaurora.org>