all: when publishing to maven/mavenLocal excludes xds and gae-interops (#5391)

diff --git a/build.gradle b/build.gradle
index b9872c7..6a525bb 100644
--- a/build.gradle
+++ b/build.gradle
@@ -428,7 +428,7 @@
         sign publishing.publications.maven
     }
 
-    publishMavenPublicationToMavenRepository.onlyIf {
+    [publishMavenPublicationToMavenRepository, publishMavenPublicationToMavenLocal]*.onlyIf {
         !name.contains("grpc-gae-interop-testing") && !name.contains("grpc-xds")
     }