Test fix: Add MmsPreferenceController to whitelist

Add it to grandfather_slice_controller_not_in_xml since right now
it only exists in mobile_network_settings_v2.xml, not v1.

This should be fixed automatically once we remove all old code.

Bug: 130222866
Test: RunSettingsRoboTests
Change-Id: Ib0bc976fd31818d7b39ca9f3e7427859fd7175ff

parent 4b54ad9b

tests/robotests/assets/grandfather_slice_controller_not_in_xml

+1 −0

Original line number	Diff line number	Diff line
		@@ -2,3 +2,4 @@ com.android.settings.testutils.FakeToggleController
		com.android.settings.testutils.FakeSliderController
		com.android.settings.core.TogglePreferenceControllerTest$FakeToggle
		com.android.settings.accessibility.AccessibilitySlicePreferenceController
		com.android.settings.network.telephony.MmsMessagePreferenceController