Fix VkInteropFunctorDrawable log messages

I previously renamed VkFunctorDrawable->VkInteropFunctorDrawable but I
didn't update the log messages which include that class name.

This patch fixes those log messages.

Test: This only changes string values and doesn't effect any testing.
BUG=115613038

Change-Id: If18fbd3689db328c144495383b0f92675b48f8e9