Is anyone else having problems with gvr responding to phone movement android?

I have a vr project that worked fine 2 days ago and actually still works fine in unity. but when I build my android app the gvr cameras wont respond anymore. I know the game is running fine because I have animated logo on camera that still blinks. the camera is still tracking movement of my assigned object because it still snaps to assigned object. but it stoped rotating and tilting with phone and is stuck looking down now. has anyone else experienced this problem?

Yes. I am facing that problem too. Please help me. Thanks in advance.