Add LicenseActivity to manifest xml file in Contacts/.

BUG 25358009

Change-Id: Ide58c510438620f5267a31e79af2748e3b3b548b
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 96d914b..12d4b0c 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -204,6 +204,11 @@
             android:theme="@style/ContactsPreferencesTheme"
             android:exported="false"/>
 
+        <activity android:name=".common.activity.LicenseActivity"
+            android:label="@string/activity_title_licenses"
+            android:theme="@style/ContactsPreferencesTheme"
+            android:exported="false" />
+
         <!-- Used to filter contacts list by account -->
         <activity
             android:name=".common.list.AccountFilterActivity"