Show terms of service before install GSI/DSU

Test: settings->developer option->debug::DSU Loader
Bug: 144248769
Change-Id: Id5fa7f88544191736eb0c5db6334fd367c1be426
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index df87bf5..d06a0f2 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -1949,6 +1949,9 @@
         <activity android:name=".development.DSULoader"
                   android:label="Select DSU Package"
                   android:theme="@android:style/Theme.DeviceDefault.Light.Dialog" />
+        <activity android:name=".development.DSUTermsOfServiceActivity"
+                  android:label="Terms of Service"
+                  android:theme="@android:style/Theme.DeviceDefault.Light.Dialog" />
 
         <activity android:name="Settings$WebViewAppPickerActivity"
                   android:label="@string/select_webview_provider_dialog_title" />