Improve InCallService and add tools for call management.

Bug: b/28794830

Change-Id: Ic199cc288294d315921bbe6d10cc1eddab59e30c
(cherry picked from commit fd45787feb15efaff244db175f99a17c5f5ed846)
diff --git a/ScriptingLayerForAndroid/AndroidManifest.xml b/ScriptingLayerForAndroid/AndroidManifest.xml
index fdcfae1..bce4fc7 100644
--- a/ScriptingLayerForAndroid/AndroidManifest.xml
+++ b/ScriptingLayerForAndroid/AndroidManifest.xml
@@ -34,6 +34,8 @@
     <uses-permission android:name="android.permission.CALL_PRIVILEGED" />
     <uses-permission android:name="android.permission.CONTROL_INCALL_EXPERIENCE" />
     <uses-permission android:name="android.permission.CONNECTIVITY_INTERNAL" />
+    <uses-permission android:name="android.permission.GET_ACCOUNTS" />
+    <uses-permission android:name="android.permission.GET_ACCOUNTS_PRIVILEGED" />
     <uses-permission android:name="android.permission.LOCATION_HARDWARE" />
     <uses-permission android:name="android.permission.KILL_BACKGROUND_PROCESSES" />
     <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />