ANDROID: virtio: virtio_input: pass _DIRECT only if the device

advertises _DIRECT

INPUT_MT_DIRECT should be used only if the device advertises
INPUT_PROP_DIRECT.

Bug: 147493341
Bug: 149250379
Test: boot emulator with 5.4 kernel, check if touchscreen works
Signed-off-by: Roman Kiryanov <rkir@google.com>
Change-Id: Ic06ae2b9d0ab7c77cb8829e5392fd048139500a2