Update .bazelrc to match core

This allows sharing the bazel caches.

Change-Id: I312275d408f1b4a46218c2ba3136cff39e7cbfa5

.bazelrc

diff --git a/.bazelrc b/.bazelrc
index f9248ea..e2feeb4 100644
--- a/.bazelrc
+++ b/.bazelrc
@@ -1,2 +1,13 @@
 build --workspace_status_command="python3 ./tools/workspace_status.py"
+build --repository_cache=~/.gerritcodereview/bazel-cache/repository
+build --action_env=PATH
+build --disk_cache=~/.gerritcodereview/bazel-cache/cas
+
+# Enable strict_action_env flag to. For more information on this feature see
+# https://groups.google.com/forum/#!topic/bazel-discuss/_VmRfMyyHBk.
+# This will be the new default behavior at some point (and the flag was flipped
+# shortly in 0.21.0 - https://github.com/bazelbuild/bazel/issues/7026). Remove
+# this flag here once flipped in Bazel again.
+build --incompatible_strict_action_env
+
 test --build_tests_only