Make contexthub aidl available host side

Bug: 158007175
Test: running atest --host event_logger_test
Change-Id: I9f5f50ebc07d500dd4ffc51af8f1d39e9576e1db
diff --git a/contexthub/aidl/Android.bp b/contexthub/aidl/Android.bp
index e9143b5..5926b77 100644
--- a/contexthub/aidl/Android.bp
+++ b/contexthub/aidl/Android.bp
@@ -24,6 +24,7 @@
 aidl_interface {
     name: "android.hardware.contexthub",
     vendor_available: true,
+    host_supported: true,
     srcs: ["android/hardware/contexthub/*.aidl"],
     stability: "vintf",
     backend: {