[monodroid] Use Build$(Configuration)\JdkInfo.props

Same-but-different as commit 498cacd.

Author: jonpryor

src/monodroid/monodroid.targets

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <Import Project="..\..\external\Java.Interop\bin\BuildDebug\JdkInfo.props" />
+  <Import Project="..\..\external\Java.Interop\bin\Build$(Configuration)\JdkInfo.props" />
   <Import Project="monodroid.props" />
   <Import Project="monodroid.projitems" />
   <Import Project="..\..\build-tools\scripts\RequiredPrograms.targets" />