Configure device classes for evdev devices.

Change-Id: Ia75b71253771d9d558c59411e27f8a51e352fb8b
diff --git a/tests/input/evdev/Android.mk b/tests/input/evdev/Android.mk
index 167cbc2..544e5a8 100644
--- a/tests/input/evdev/Android.mk
+++ b/tests/input/evdev/Android.mk
@@ -6,6 +6,7 @@
 LOCAL_SRC_FILES:= \
     InputDevice_test.cpp \
     InputHub_test.cpp \
+    InputMocks.cpp \
     TestHelpers.cpp
 
 LOCAL_SHARED_LIBRARIES := \