PBAP Client Account Authenticator

Update PBAP client account authenticator have the correct package
namespace and the Bluetooth icon.

Bug: 27724937
Test: With the PBAP client profile enabled visit Settings->Users &
accounts->Add account observe icon and name for bluetooth pbap account.

Change-Id: If197ac22733be5a54f4f76b399f37949b7cc4915
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 4bf6d3f..a922232 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -369,7 +369,7 @@
         <!-- Authenticator for PBAP account. -->
         <service
             android:process="@string/process"
-            android:name=".AuthenticationService"
+            android:name=".pbapclient.AuthenticationService"
             android:exported="true"
             android:enabled="@bool/profile_supported_pbapclient">
             <intent-filter>