Co-locate vr manifest entry with vr_hwc.

Bug: 110487738
Test: boot device, check manifest is installed
    in system/etc/vintf/manifest/
Test: check lshal to see vr_hwc serving the hal
Test: use daydream

Change-Id: I56e754ad9ea850fbc1875f1f6dbc0aae5450d5f7