Revert "Revert "Remove direct libgui reference from omx server side""

This reverts commit b4979c59.

Reason for revert: reland with fixes:
1) make OMXHarness use OMXClient, not directly IOMX wrappers.
2) fix ref of consumer listener interface in GraphicBufferSource.

bug: 129272021
Test: camera recording, aosp_x86 build

Change-Id: Idaaaf412c65cbe89c95a2cb54f3833ff1fc4c304