Add highlight menu key for app pages

Fix: 216402156
Test: manual
Change-Id: I8a79e72e07739aca831a62b8186bdaaa3dc69870

AndroidManifest.xml

@@ -1517,6 +1517,8 @@
                 <category android:name="android.intent.category.DEFAULT" />
                 <data android:scheme="package" />
             </intent-filter>
+            <meta-data android:name="com.android.settings.HIGHLIGHT_MENU_KEY"
+                       android:value="@string/menu_key_apps"/>
         </activity-alias>
 
         <activity android:name=".applications.InstalledAppOpenByDefaultActivity"
@@ -1529,6 +1531,8 @@
                 <category android:name="android.intent.category.DEFAULT" />
                 <data android:scheme="package" />
             </intent-filter>
+            <meta-data android:name="com.android.settings.HIGHLIGHT_MENU_KEY"
+                       android:value="@string/menu_key_apps"/>
         </activity>
 
         <!-- Provide direct entry into manage apps showing running services. -->