Revert "Dialer: Make the call stats spinner match the other actionbar theming"

This reverts commit 7543486a29ca2bfbc053f5d6fb1d38970725a48c.
Revert "Dialer: Introduce usage pattern stats for retail"

This reverts commit 74b816de46880a4a39a5a6dce8ec6705551edc52.