Update makefiles for hwtypes.h

Test: pass
Change-Id: I8e17eb8fec5d2f04c526476a866c8dd54ccb556c
diff --git a/contexthub/1.0/Android.bp b/contexthub/1.0/Android.bp
index 8cd4acb..2bf951a 100644
--- a/contexthub/1.0/Android.bp
+++ b/contexthub/1.0/Android.bp
@@ -32,6 +32,7 @@
     ],
     out: [
         "android/hardware/contexthub/1.0/types.h",
+        "android/hardware/contexthub/1.0/hwtypes.h",
         "android/hardware/contexthub/1.0/IContexthub.h",
         "android/hardware/contexthub/1.0/IHwContexthub.h",
         "android/hardware/contexthub/1.0/BnHwContexthub.h",