Call Diagnostic Service implementation

Implement binding to Call Diagnostic Service from Telecom and passing
of relevant signals to the bound CDS.

Test: Added CTS test suite.
Test: Manual testing using test implementation in the Telecom test app.
Bug: 163085177
Change-Id: I65f6d749bdeeefae78946a567a09f5264fd1fe95
diff --git a/testapps/AndroidManifest.xml b/testapps/AndroidManifest.xml
index 891a7a7..dd8258a 100644
--- a/testapps/AndroidManifest.xml
+++ b/testapps/AndroidManifest.xml
@@ -39,6 +39,13 @@
         <uses-library android:name="android.test.runner"/>
 
         <!-- Miscellaneous telecom app-related test activities. -->
+        <service android:name="com.android.server.telecom.testapps.TestCallDiagnosticService"
+            android:permission="android.permission.BIND_CALL_DIAGNOSTIC_SERVICE"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="android.telecom.CallDiagnosticService"/>
+            </intent-filter>
+        </service>
 
         <service android:name="com.android.server.telecom.testapps.TestConnectionService"
              android:permission="android.permission.BIND_TELECOM_CONNECTION_SERVICE"