MouseInputMapper

Maps relative movements of a mouse or scroll wheel and mouse button
presses. All other logic from CursorInputMapper will be handled in the
host.

Change-Id: I00a966a6194d4810b7b6ac5cc815287ecf7dfb84
diff --git a/tests/input/evdev/Android.mk b/tests/input/evdev/Android.mk
index 1d8bf43..557acba 100644
--- a/tests/input/evdev/Android.mk
+++ b/tests/input/evdev/Android.mk
@@ -9,6 +9,7 @@
     InputDevice_test.cpp \
     InputHub_test.cpp \
     InputMocks.cpp \
+    MouseInputMapper_test.cpp \
     SwitchInputMapper_test.cpp \
     TestHelpers.cpp