msm: camera: isp: Fix framedrop reporting

This change fixed the framedrop reporting that causes the CTS
test failure. The failure is due to the wrong frame id is used to
report the framedrop. This change will change the framedrop
report logic so that the correct frame id is used.

Change-Id: I5b219ed570b81a7fd6a97be46977cafd3e452492
Signed-off-by: Jing Zhou <jzhou70@codeaurora.org>