msm: camera: skip recovery during stream off in dual vfe

in dual vfe usecase, skip pingpong mismatch recovery
if one of the vfe's active stream count is zero.

Change-Id: I1b4dce66ad6665e41c4185d3ac510204d40131da
Signed-off-by: Srikanth Uyyala <suyyala@codeaurora.org>