Add constant for dismiss Settings panel

Bug: 155822415
Test: build pass
Merged-In: I370cd51fa125f16541915ecb2c93fc600dfaac7d
Change-Id: I370cd51fa125f16541915ecb2c93fc600dfaac7d
diff --git a/packages/SettingsLib/src/com/android/settingslib/media/MediaOutputSliceConstants.java b/packages/SettingsLib/src/com/android/settingslib/media/MediaOutputSliceConstants.java
index 28e993d..fc16eb6 100644
--- a/packages/SettingsLib/src/com/android/settingslib/media/MediaOutputSliceConstants.java
+++ b/packages/SettingsLib/src/com/android/settingslib/media/MediaOutputSliceConstants.java
@@ -92,4 +92,10 @@
      * SystemUi package name.
      */
     public static final String SYSTEMUI_PACKAGE_NAME = "com.android.systemui";
+
+    /**
+     * An intent action to close settings panel.
+     */
+    public static final String ACTION_CLOSE_PANEL =
+            "com.android.settings.panel.action.CLOSE_PANEL";
 }