Format all build files with buildifier

With the command:

  $ buildifier -r -lint fix -warnings all .

Change-Id: I8fb38072b103c86bedd5be0a2cfffa771b43af87

tools/eclipse/BUILD

diff --git a/tools/eclipse/BUILD b/tools/eclipse/BUILD
index 0ec52f6..68d35f4 100644
--- a/tools/eclipse/BUILD
+++ b/tools/eclipse/BUILD
@@ -1,5 +1,5 @@
-load("@rules_java//java:defs.bzl", "java_library")
 load("@com_googlesource_gerrit_bazlets//tools:classpath.bzl", "classpath_collector")
+load("@rules_java//java:defs.bzl", "java_library")
 
 DEPS = [
     "//java/com/google/gitiles:servlet",