1) Create a new build type for testing.
2) Only obfuscate the package android.support.v7.internal.view.menu
to prevent LGE ROM bug
3) '-keepattributes Exceptions' to allow for throwing from mocks
4) -dontskipnonpubliclibraryclassmembers and -dontwarn for
everything else
Fixes#2871Closes#2986
// FREEBIE
