SnapdragonCamera: Don't disable shutter button in longshot mode.

Problem scenario:
If longshot gets turned off even before first capture
is completed, there might be a possibility of
shutter button getting disabled permanently.

Fix:
Shutter button need not be disabled in longshot usecase.

Change-Id: I94cdb1e3f6d63a71699014cc59e5bc8438506c34
1 file changed