google_pixel: ThemePickerGoogle: Implement dummy recent wallpapers provider

* To appease Pixel Launcher.

Change-Id: I7d092aadcbc1a360ff9ec95c81d6c6cf5cbc4a96

ThemePickerGoogle/Android.bp

@@ -55,6 +55,7 @@ android_app {
     static_libs: [
         "wallpaper-common-deps",
         "SettingsLibSettingsTheme",
+        "SystemUIFlagsLib",
         "SystemUI-statsd",
         "styleprotoslite",
     ],

ThemePickerGoogle/AndroidManifest.xml

@@ -35,6 +35,10 @@
              </intent-filter>
         </activity-alias>
 
+        <provider android:name="com.google.android.apps.wallpaper.provider.RecentWallpapersProvider"
+                  android:permission="android.permission.MONITOR_INPUT"
+                  android:exported="true"
+                  android:authorities="com.google.android.apps.wallpaper.recents"/>
     </application>
 
 </manifest>

ThemePickerGoogle/src/com/google/android/apps/wallpaper/provider/RecentWallpapersProvider.java

@@ -0,0 +1,49 @@
+package com.google.android.apps.wallpaper.provider;
+
+import android.content.ContentProvider;
+import android.content.ContentValues;
+import android.database.Cursor;
+import android.database.MatrixCursor;
+import android.net.Uri;
+
+import com.android.systemui.flags.FlagManager;
+
+public class RecentWallpapersProvider extends ContentProvider {
+
+    @Override // android.content.ContentProvider
+    public boolean onCreate() {
+        return true;
+    }
+
+    @Override // android.content.ContentProvider
+    public String getType(Uri uri) {
+        return "vnd.android.cursor.dir/recent_wallpapers";
+    }
+
+    @Override // android.content.ContentProvider
+    public Cursor query(Uri uri, String[] strArr, String str, String[] strArr2, String str2) {
+        if (!"/list_recent".equals(uri.getPath())) {
+            return null;
+        }
+        MatrixCursor matrixCursor = new MatrixCursor(new String[]{FlagManager.FIELD_ID, "placeholder_color", "component", "title"});
+        return matrixCursor;
+    }
+
+    @Override // android.content.ContentProvider
+    public int update(Uri uri, ContentValues contentValues, String str, String[] strArr) {
+        if (!"/set_recent_wallpaper".equals(uri.getPath())) {
+            return 0;
+        }
+        return 1;
+    }
+
+    @Override // android.content.ContentProvider
+    public int delete(Uri uri, String str, String[] strArr) {
+        return 0;
+    }
+
+    @Override // android.content.ContentProvider
+    public Uri insert(Uri uri, ContentValues contentValues) {
+        return null;
+    }
+}