Adds Package check and TestApps test for PhoneAccount

1) Adds a check to ensure that a ConnectionService
is setting a PhoneAccount from the same Package name.

2) Adds TestApp test that switches PhoneAccount.

Bug: 27059146
Test: TestApp send intent to switch PhoneAccount
Change-Id: I5ac7dd8859d747b3aaaf5370af26a10225f8d6c2
diff --git a/testapps/AndroidManifest.xml b/testapps/AndroidManifest.xml
index 75d467a..675df78 100644
--- a/testapps/AndroidManifest.xml
+++ b/testapps/AndroidManifest.xml
@@ -46,6 +46,13 @@
             </intent-filter>
         </service>
 
+        <receiver android:name=".TestConnectionServiceReceiver">
+            <intent-filter>
+                <action android:name="android.server.telecom.testapps.ACTION_SWITCH_PHONE_ACCOUNT"/>
+                <action android:name="android.server.telecom.testapps.ACTION_SWITCH_PHONE_ACCOUNT_WRONG"/>
+            </intent-filter>
+        </receiver>
+
         <service android:name="com.android.server.telecom.testapps.TestConnectionManager"
                  android:permission="android.permission.BIND_TELECOM_CONNECTION_SERVICE" >
             <intent-filter>
@@ -72,6 +79,8 @@
             </intent-filter>
         </receiver>
 
+
+
         <activity android:name="com.android.server.telecom.testapps.TestInCallUI"
                 android:process="com.android.server.telecom.testapps.TestInCallService"
                 android:label="@string/inCallUiAppLabel"