api-impl: add misc stuff needed by Teeter

note that Teeter still needs more stuff before it will work

src/api-impl/com/htc/util/htcresutil/resutil.java

@@ -0,0 +1,10 @@
+package com.htc.util.htcresutil;
+
+/*
+ * This file only exists so that HTC-exclusive apps think they are running on an HTC device.
+ * At least teeter checks for this class in order to determine if it should refuse to launch.
+ */
+
+public class resutil {
+
+}