App header cleanup

- Refactor the entity header layout to use LinearLayout and add id to
  content area
- Remove now unused AppHeader class
- Make entire icon+text area clickable and link to app info page
  Refactor the binding logic from bindButton to its own method.
- Remove unused MultiLinePreference

Fix: 62705377
Test: make RunSettingsRoboTests

Change-Id: I6db554695410e71b669f6fdba29d98fedc3364b9

src/com/android/settings/notification/ChannelNotificationSettings.java

@@ -36,7 +36,6 @@ import android.view.View;
 import android.widget.Switch;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
-import com.android.settings.AppHeader;
 import com.android.settings.R;
 import com.android.settings.RingtonePreference;
 import com.android.settings.Utils;
@@ -146,8 +145,9 @@ public class ChannelNotificationSettings extends NotificationSettingsBase {
                 .setSummary(mAppRow.label)
                 .setPackageName(mAppRow.pkg)
                 .setUid(mAppRow.uid)
-                .setButtonActions(EntityHeaderController.ActionType.ACTION_APP_INFO,
-                        EntityHeaderController.ActionType.ACTION_NOTIF_PREFERENCE)
+                .setButtonActions(EntityHeaderController.ActionType.ACTION_NOTIF_PREFERENCE,
+                        EntityHeaderController.ActionType.ACTION_NONE)
+                .setHasAppInfoLink(true)
                 .done(activity, getPrefContext());
         getPreferenceScreen().addPreference(pref);
     }
@@ -283,7 +283,6 @@ public class ChannelNotificationSettings extends NotificationSettingsBase {
         mImportance = findPreference(KEY_IMPORTANCE);
         Bundle channelArgs = new Bundle();
         channelArgs.putInt(AppInfoBase.ARG_PACKAGE_UID, mUid);
-        channelArgs.putBoolean(AppHeader.EXTRA_HIDE_INFO_BUTTON, true);
         channelArgs.putString(AppInfoBase.ARG_PACKAGE_NAME, mPkg);
         channelArgs.putString(Settings.EXTRA_CHANNEL_ID, mChannel.getId());
         mImportance.setEnabled(mSuspendedAppsAdmin == null && isChannelConfigurable(mChannel));