diag: Prevent local diag_id update after SSR

The patch prevents diag_id update to local peripheral structure
after SSR and forwards the commands to peripherals with a check
for diag_id feature mask support and only after diag_id has
been forwarded.

CRs-Fixed: 2108793
Change-Id: I10dfb8dc1f515338aaedfb0ebbd7f20486ad7d46
Signed-off-by: Manoj Prabhu B <bmanoj@codeaurora.org>