videoeffect: Query vpp caps before use it

videoeffect: Query vpp caps before use it

two things fixed here:
1. We query caps on UpdateCaps, but we use the caps in SetVAProcFilterDeinterlaceMode.
But SetVAProcFilterDeinterlaceMode call before UpdateCaps, this makes
SetVAProcFilterDeinterlaceMode use a invalid value.
2. when we changed the video effect, we mmeset the param_, it will make
the param_.surface_region and param_.output_region useless

Jira: None.
Test: 1. Video playback works fine.
2. adb shell hwcservice_test -b 100, you see the video turn bright on screen