Skip FS_IOC_GETFLAGS.

It's OK to just do an FS_IOC_MEASURE_VERITY on a file even if we don't
know it's in fs-verity; it returns an appropriate error code.

Bug: 190166662
Test: Create a spurious non-verity file, see it is detected.
Change-Id: I392289b11b674b760d9217258ca01b5305b0eee4
1 file changed