Rename `ro.kernel.qemu` with `ro.boot.qemu`

`ro.kernel.qemu` properies are deprecated.

Bug: 182291166
Test: presubmit
Signed-off-by: Roman Kiryanov <rkir@google.com>
Change-Id: I43ee43befd1c3ef26ec1fb6f247461ca9048598a
1 file changed