DO NOT MERGE: fix build breakage

fix klp-dev only build breakage.

  frameworks/native/libs/input/Input.cpp: In member function 'android::status_t android::MotionEvent::readFromParcel(android::Parcel*)':
  frameworks/native/libs/input/Input.cpp:494:47: error: 'UINT16_MAX' was not declared in this scope

Bug: 23905002
Change-Id: I4b6b864ca64d39a8873d045a61e0ddaea2ab9109
diff --git a/include/input/Input.h b/include/input/Input.h
index 97101a7..f8075e4 100644
--- a/include/input/Input.h
+++ b/include/input/Input.h
@@ -27,6 +27,7 @@
 #include <utils/Timers.h>
 #include <utils/RefBase.h>
 #include <utils/String8.h>
+#include <stdint.h>
 
 /*
  * Additional private constants not defined in ndk/ui/input.h.