m8: use interactive as the default governor

* settings kanged from hammerhead

Change-Id: Ic585ad088a69ddb640487858eba21d88c4093aca
Dotcase: move status vars to synchronized class

I'm testing this to prevent an impossible-to-track-down crash that I
think is related to unsynchronized variables.

Change-Id: I023573c3847688906d485d1da2ab751ca7350f1e