Update deprecated glob usages.

Summary: https://our.intern.facebook.com/intern/wiki/Buck/python-to-skylark/

Reviewed By: davidaurelio

Differential Revision: D8795050

fbshipit-source-id: 1599a0a9ddd9af54a86884291945a93b91ba31bd

ReactAndroid/src/androidTest/java/com/facebook/react/testing/BUCK

@@ -4,7 +4,7 @@ rn_android_library(
     name = "testing",
     srcs = glob(
         ["**/*.java"],
-        excludes = [
+        exclude = [
             "idledetection/**/*.java",
             "network/**/*.java",
         ],