Update Android.bp HIDL makefiles

Allow HAL definition libs to be static.

Bug: 32920003
Bug: 64040096
Test: update-all-google-makefiles.sh
Change-Id: I1483d572bea6799717d1614fb7d52fe225e31104
diff --git a/health/Android.bp b/health/Android.bp
index ed19a37..a6f6017 100644
--- a/health/Android.bp
+++ b/health/Android.bp
@@ -2,5 +2,6 @@
 subdirs = [
     "1.0",
     "1.0/default",
+    "1.0/default/libhealthd",
     "1.0/vts/functional",
 ]