Figure out how we're building Bazel and make the code work with it

Change-Id: Iac0abca9e34ebf9d8f41f6f5a5803f54ca2b8beb
diff --git a/tools/test_sharding_compliant b/tools/test_sharding_compliant
new file mode 100644
index 0000000..da13c2b
--- /dev/null
+++ b/tools/test_sharding_compliant
@@ -0,0 +1 @@
+This is a file used to indicate to Bazel that tests can be sharded.