Fixing regression in AOSP CallDetails

A regression was introduced which caused the back arrow in the AOSP
CallDetailsActivity to not work properly.

This CL merges an external contribution (http://pagit/626605) that
fixes the issue by setting the parentActivityName appropriately.

Bug:30004436
Change-Id: I238ff71f3f7e618d5adc972c50012b13f3753f40
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index babd271..6528fdb 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -171,6 +171,7 @@
         <activity android:name="com.android.dialer.CallDetailActivity"
             android:label="@string/callDetailTitle"
             android:theme="@style/CallDetailActivityTheme"
+            android:parentActivityName="com.android.dialer.calllog.CallLogActivity"
             android:icon="@mipmap/ic_launcher_phone">
             <intent-filter>
                 <action android:name="android.intent.action.VIEW"/>