move kernel_fs_Inplace to bvt-perbuild

kernel_fs_Inplace has proved its worth as a reliable test, so it's
time to graduate from experimental.

BUG=chromium:355187
TEST=suite_enumerator.py bvt-perbuild; confirm kernel_fs_Inplace is listed

Change-Id: I79f6cde45ce6e5df5664152312594c881074a6d9
Reviewed-on: https://chromium-review.googlesource.com/225450
Reviewed-by: Richard Barnette <jrbarnette@chromium.org>
Commit-Queue: Stephen Barber <smbarber@chromium.org>
Tested-by: Stephen Barber <smbarber@chromium.org>
1 file changed