Upgrade to Bazel 0.10.1 + sandbox revert

Change-Id: I359ab15f1fc94428acf2e1fd52fd1e0dd5428419
diff --git a/tools/bazel b/tools/bazel
index 09e1cb5..41d2887 100755
--- a/tools/bazel
+++ b/tools/bazel
@@ -24,7 +24,7 @@
   exec "${BAZEL_OVERRIDE}" "$@"
 fi
 
-readonly VERSION="201711232100+e0fe5d9"
+readonly VERSION="201802152317+9b1b63c"
 
 readonly DOWNLOAD_DIR="$(dirname "${BASH_SOURCE[0]}")/../bazel-downloads"
 # Directory to unpack bazel into.  This must change whenever bazel changes.