Update codeserver BUILD file.

Change-Id: I544ccd31a17135ae01c2b60f2fe6d21345a8c216
diff --git a/dev/codeserver/BUILD b/dev/codeserver/BUILD
index 4316b04..548fd96 100644
--- a/dev/codeserver/BUILD
+++ b/dev/codeserver/BUILD
@@ -44,7 +44,7 @@
 java_library(
     name = "testlib",
     testonly = 1,
-    srcs = glob(["test/**/*.java"]),
+    srcs = glob(["javatests/**/*.java"]),
     deps = [
         ":codeserver-bare",
         "//third_party/java/junit",