Update makefiles for hwtypes.h

Test: pass
Change-Id: I8e17eb8fec5d2f04c526476a866c8dd54ccb556c
diff --git a/soundtrigger/2.0/Android.bp b/soundtrigger/2.0/Android.bp
index 4d2bb1a..d2a04be 100644
--- a/soundtrigger/2.0/Android.bp
+++ b/soundtrigger/2.0/Android.bp
@@ -32,6 +32,7 @@
     ],
     out: [
         "android/hardware/soundtrigger/2.0/types.h",
+        "android/hardware/soundtrigger/2.0/hwtypes.h",
         "android/hardware/soundtrigger/2.0/ISoundTriggerHw.h",
         "android/hardware/soundtrigger/2.0/IHwSoundTriggerHw.h",
         "android/hardware/soundtrigger/2.0/BnHwSoundTriggerHw.h",