DSU enhancement (1/N)

* System image is not required
  This allows the client to install a new data partition without
  supplying new system images. This is handy to simulate the
  condition of factory reset.

Bug: 277691885
Test: adb shell am start-activity \
  -n com.android.dynsystem/com.android.dynsystem.VerificationActivity \
  -a android.os.image.action.START_INSTALL \
  --el KEY_USERDATA_SIZE 2147483648
Change-Id: I0580b9b608221f4a07d7f8456de0cdd2f300578b

packages/DynamicSystemInstallationService/AndroidManifest.xml

@@ -39,6 +39,10 @@
                 <data android:scheme="http" />
                 <data android:scheme="https" />
             </intent-filter>
+            <intent-filter>
+                <action android:name="android.os.image.action.START_INSTALL" />
+                <category android:name="android.intent.category.DEFAULT" />
+            </intent-filter>
         </activity>
 
         <receiver