Enable libperfetto on host with Android intree build

Bug: 141562006
Change-Id: I5f8d28b31845b72a45a1ffbe571dd6af2c576e56
diff --git a/Android.bp b/Android.bp
index bc076ee..7bb2597 100644
--- a/Android.bp
+++ b/Android.bp
@@ -425,6 +425,7 @@
     "liblog",
     "libprotobuf-cpp-lite",
   ],
+  host_supported: true,
   export_include_dirs: [
     "include",
     "include/perfetto/base/build_configs/android_tree",