Adds Zen metrics categories

Assigns metrics categories to all modes pages under
ZenModesListFragment. Includes new metrics categories where appropriate.

Bug: 332937635
Test: Build and flash
Flag: android.app.modes_ui
Change-Id: Ic19862ec194b40eae294d3c30240fe3f51304665

src/com/android/settings/notification/app/AppChannelsBypassingDndPreferenceController.java

@@ -226,7 +226,10 @@ public class AppChannelsBypassingDndPreferenceController extends NotificationPre
                         .setArguments(channelArgs)
                         .setUserHandle(UserHandle.of(mAppRow.userId))
                         .setTitleRes(com.android.settings.R.string.notification_channel_title)
-                        .setSourceMetricsCategory(SettingsEnums.DND_APPS_BYPASSING)
+                        .setSourceMetricsCategory(
+                                android.app.Flags.modesUi()
+                                    ? SettingsEnums.NOTIFICATION_ZEN_MODE_OVERRIDING_APP_CHANNELS
+                                        : SettingsEnums.DND_APPS_BYPASSING)
                         .launch();
                 return true;
             });