Adding a new intent to allow for apps (Launcher) to jump to the All Apps tab in the settings.

Change-Id: I15a78a5c5a18b041b1cc4a7500bd3ceccd780ea9

api/current.xml

@@ -143144,6 +143144,17 @@
  visibility="public"
 >
 </field>
+<field name="ACTION_MANAGE_ALL_APPLICATIONS_SETTINGS"
+ type="java.lang.String"
+ transient="false"
+ volatile="false"
+ value="&quot;android.settings.MANAGE_ALL_APPLICATIONS_SETTINGS&quot;"
+ static="true"
+ final="true"
+ deprecated="not deprecated"
+ visibility="public"
+>
+</field>
 <field name="ACTION_MANAGE_APPLICATIONS_SETTINGS"
  type="java.lang.String"
  transient="false"

core/java/android/provider/Settings.java

@@ -354,6 +354,20 @@ public final class Settings {
     public static final String ACTION_MANAGE_APPLICATIONS_SETTINGS =
             "android.settings.MANAGE_APPLICATIONS_SETTINGS";
 
+    /**
+     * Activity Action: Show settings to manage all applications.
+     * <p>
+     * In some cases, a matching Activity may not exist, so ensure you
+     * safeguard against this.
+     * <p>
+     * Input: Nothing.
+     * <p>
+     * Output: Nothing.
+     */
+    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
+    public static final String ACTION_MANAGE_ALL_APPLICATIONS_SETTINGS =
+            "android.settings.MANAGE_ALL_APPLICATIONS_SETTINGS";
+
     /**
      * Activity Action: Show screen of details about a particular application.
      * <p>