Build libfakeservicemanager for host.

Bug: 147595993
Test: m libfakeservicemanager
Change-Id: I353678b10c36c07e1b8b1ba77e7f190b95f34258
diff --git a/libs/fakeservicemanager/Android.bp b/libs/fakeservicemanager/Android.bp
index de32ff4..6909637 100644
--- a/libs/fakeservicemanager/Android.bp
+++ b/libs/fakeservicemanager/Android.bp
@@ -1,5 +1,6 @@
 cc_defaults {
     name: "fakeservicemanager_defaults",
+    host_supported: true,
     srcs: [
         "ServiceManager.cpp",
     ],