Update makefiles for hwtypes.h

Test: pass
Change-Id: I8e17eb8fec5d2f04c526476a866c8dd54ccb556c
diff --git a/memtrack/1.0/Android.bp b/memtrack/1.0/Android.bp
index 9f4c7f6..4f13463 100644
--- a/memtrack/1.0/Android.bp
+++ b/memtrack/1.0/Android.bp
@@ -30,6 +30,7 @@
     ],
     out: [
         "android/hardware/memtrack/1.0/types.h",
+        "android/hardware/memtrack/1.0/hwtypes.h",
         "android/hardware/memtrack/1.0/IMemtrack.h",
         "android/hardware/memtrack/1.0/IHwMemtrack.h",
         "android/hardware/memtrack/1.0/BnHwMemtrack.h",