mm-video-v4l2: vidc: validate omx param data

Check the sanity of param strcuture object
passed to getparameter() methods.

Bug: 27533317
Security Vulnerability in MediaServer
omx_vdec::get_config() Can lead to arbitrary write

Change-Id: I6e3aba345064dfc04343cf09661499520bd765e4
1 file changed