Currently the global opt-in is only available to Game Driver. This change has
added an option to let developers to opt-in all apps to use prerelease driver.
GameDriverEnableForAllAppsPreferenceController is then refactored from
SwitchPreference to ListPreference to support this change.
Bug: 134881329
Test: make RunSettingsRoboTests ROBOTEST_FILTER=GameDriver
Change-Id: I6dcb3a22a4033a576605d42aa80b09db088d4aa2
687906f2f9