Use global color extraction in widgets for wallpaper preview

Test: Widgets in wallpaper app should use wallpaper colors
Bug: 192205054
Change-Id: I4da9ad1cc88be251f97e86b6c8c9b346ed20f586
diff --git a/lint-baseline-launcher3.xml b/lint-baseline-launcher3.xml
index e77c889..94345a6 100644
--- a/lint-baseline-launcher3.xml
+++ b/lint-baseline-launcher3.xml
@@ -584,4 +584,15 @@
             column="17"/>
     </issue>
 
+    <issue
+        id="NewApi"
+        message="Call requires API level 27 (current min is 26): `android.app.WallpaperManager#getWallpaperColors`"
+        errorLine1="                    : WallpaperManager.getInstance(context).getWallpaperColors(FLAG_SYSTEM);"
+        errorLine2="                                                            ~~~~~~~~~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/graphics/LauncherPreviewRenderer.java"
+            line="288"
+            column="61"/>
+    </issue>
+
 </issues>