resolve merge conflicts of 7a78e14ec to oc-dev-plus-aosp

Change-Id: Icdd22fcf328935b7f5647270489539dab0ec4369
diff --git a/include/android/sensor.h b/include/android/sensor.h
index cdb3fff..97b4a2a 100644
--- a/include/android/sensor.h
+++ b/include/android/sensor.h
@@ -50,6 +50,7 @@
 
 #include <android/looper.h>
 
+#include <stdbool.h>
 #include <sys/types.h>
 #include <math.h>
 #include <stdint.h>