I have updated support libraries to version 23.0.1 and started getting this error.
Didn\'t find class \"android.support.v7.internal.widget.TintManager\" on p
I had the same issue after upgrading to Android Studio 2.0. I updated my dependencies that weren't current and now it is running fine.
By cross referencing our gradle files, I believe that you need to update your design support library:
compile 'com.android.support:design:23.1.1'