Add override keyword to in inherited classes

We add the override keyword to methods of a subclass that are meant to
override those in the base class to make sure the method signatures
match at compile time.

Bug: 130819454
Test: m -j
Change-Id: Ib325da3f9a60bfb77838fd37e44daf8f7c98e7ab
diff --git a/services/inputflinger/reader/mapper/SingleTouchInputMapper.h b/services/inputflinger/reader/mapper/SingleTouchInputMapper.h
index d6b1455..8438eee 100644
--- a/services/inputflinger/reader/mapper/SingleTouchInputMapper.h
+++ b/services/inputflinger/reader/mapper/SingleTouchInputMapper.h
@@ -27,8 +27,8 @@
     explicit SingleTouchInputMapper(InputDevice* device);
     virtual ~SingleTouchInputMapper();
 
-    virtual void reset(nsecs_t when);
-    virtual void process(const RawEvent* rawEvent);
+    virtual void reset(nsecs_t when) override;
+    virtual void process(const RawEvent* rawEvent) override;
 
 protected:
     virtual void syncTouch(nsecs_t when, RawState* outState);