Made sure that templated views support RTL

Previously templated views would not support RTL
if the underlying app doesn't. We're now supporting it.

Fixes: 151117132
Test: add notification from app that doesn't support RTL, observe normal template
Change-Id: Iec7e3b854989100977efba87c9c2cd98a2759ff9

core/java/android/app/Notification.java

@@ -6221,6 +6221,17 @@ public class Notification implements Parcelable
             }
             return loadHeaderAppName();
         }
+
+        /**
+         * @return if this builder uses a template
+         *
+         * @hide
+         */
+        public boolean usesTemplate() {
+            return (mN.contentView == null && mN.headsUpContentView == null
+                    && mN.bigContentView == null)
+                    || (mStyle != null && mStyle.displayCustomViewInline());
+        }
     }
 
     /**

packages/SystemUI/src/com/android/systemui/statusbar/notification/row/NotificationContentInflater.java

@@ -24,6 +24,8 @@ import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.app.Notification;
 import android.content.Context;
+import android.content.ContextWrapper;
+import android.content.pm.ApplicationInfo;
 import android.os.AsyncTask;
 import android.os.CancellationSignal;
 import android.service.notification.StatusBarNotification;
@@ -705,6 +707,10 @@ public class NotificationContentInflater implements NotificationRowContentBinder
                         sbn.getNotification());
 
                 Context packageContext = sbn.getPackageContext(mContext);
+                if (recoveredBuilder.usesTemplate()) {
+                    // For all of our templates, we want it to be RTL
+                    packageContext = new RtlEnabledContext(packageContext);
+                }
                 Notification notification = sbn.getNotification();
                 if (notification.isMediaNotification()) {
                     MediaNotificationProcessor processor = new MediaNotificationProcessor(mContext,
@@ -771,6 +777,19 @@ public class NotificationContentInflater implements NotificationRowContentBinder
             // try to purge unnecessary cached entries.
             mRow.getImageResolver().purgeCache();
         }
+
+        private class RtlEnabledContext extends ContextWrapper {
+            private RtlEnabledContext(Context packageContext) {
+                super(packageContext);
+            }
+
+            @Override
+            public ApplicationInfo getApplicationInfo() {
+                ApplicationInfo applicationInfo = super.getApplicationInfo();
+                applicationInfo.flags |= ApplicationInfo.FLAG_SUPPORTS_RTL;
+                return applicationInfo;
+            }
+        }
     }
 
     @VisibleForTesting