Code layout cleanup

- Fwd declare where possible
- List .h first in the .cpp to verify proper includes
- Remove hacky -internal.h file and move testBitInRange to a new component

Change-Id: I442248c4b32738c6c2af250f45d4c8822c862e08
diff --git a/tests/input/evdev/MockInputHost.h b/tests/input/evdev/MockInputHost.h
index a91f95c..aae0564 100644
--- a/tests/input/evdev/MockInputHost.h
+++ b/tests/input/evdev/MockInputHost.h
@@ -17,9 +17,10 @@
 #ifndef ANDROID_MOCK_INPUT_HOST_H_
 #define ANDROID_MOCK_INPUT_HOST_H_
 
+#include "InputHost.h"
+
 #include "gmock/gmock.h"
 
-#include "InputHost.h"
 
 namespace android {
 namespace tests {