Add checker-qual artifact to core build bazel file

Author: zrlw

core/BUILD.bazel

@@ -29,6 +29,7 @@ java_library(
         artifact("com.google.code.findbugs:jsr305"),
         artifact("com.google.errorprone:error_prone_annotations"),
         artifact("com.google.guava:guava"),
+        artifact("org.checkerframework:checker-qual"),
         artifact("io.perfmark:perfmark-api"),
         artifact("org.codehaus.mojo:animal-sniffer-annotations"),
     ],