Add intent to configure phone accounts

Create (and use) an intent action for opening the phone account
preferences activity. This is similar to the ACTION_CHANGE_DEFAULT
intent used for SMS.

Bug: 17383844
Change-Id: Ic32cda01b819f028cba970c78289e04da01607a5
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 45c1e82..ed4e910 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -430,6 +430,7 @@
                 <action android:name="android.intent.action.VIEW" />
                 <action android:name="android.intent.action.MAIN" />
                 <action android:name="android.telecomm.intent.action.SHOW_CALL_SETTINGS" />
+                <action android:name="android.telecomm.intent.action.CHANGE_PHONE_ACCOUNTS" />
                 <action android:name="com.android.phone.CallFeaturesSetting.ADD_VOICEMAIL" />
                 <category android:name="android.intent.category.DEFAULT" />
             </intent-filter>