gn2bp: Update the condition for genrule_headers

Some genrules generate .h files and other files.
It might be better to split genrules to header genrule and other
genrule.
But, for now, adding module to genrule_headers if the output contains .h
files.

Test: ./update_results.sh
Change-Id: I9ee964f76c60075fa8db04fb383aea7eea3be4ae
diff --git a/tools/gn2bp/Android.bp.swp b/tools/gn2bp/Android.bp.swp
index 0a51eae..86f0ab7 100644
--- a/tools/gn2bp/Android.bp.swp
+++ b/tools/gn2bp/Android.bp.swp
@@ -1821,6 +1821,7 @@
         "cronet_aml_build_chromeos_buildflags",
         "cronet_aml_components_cronet_android_buildflags",
         "cronet_aml_components_cronet_android_cronet_jni_headers",
+        "cronet_aml_components_cronet_android_cronet_jni_registration",
         "cronet_aml_components_cronet_cronet_buildflags",
         "cronet_aml_components_cronet_cronet_version_header_action",
         "cronet_aml_third_party_metrics_proto_metrics_proto_gen_headers",