Upgrade to Bazel 0.10.1 + sandbox revert

Change-Id: I359ab15f1fc94428acf2e1fd52fd1e0dd5428419
diff --git a/third_party/libevent/BUILD b/third_party/libevent/BUILD
index 0d35bd6..463b758 100644
--- a/third_party/libevent/BUILD
+++ b/third_party/libevent/BUILD
@@ -1,6 +1,6 @@
 licenses(['notice'])
 
-load('/tools/build_rules/select', 'compiler_select', 'address_size_select')
+load('//tools/build_rules:select.bzl', 'compiler_select', 'address_size_select')
 
 cc_library(
   name = 'libevent',