Use bazel disk cache

[worxli]

https://docs.bazel.build/versions/master/remote-caching.html#disk-cache

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This change is 

[kormat]

Reviewed 2 of 2 files at r1.
Reviewable status: all files reviewed, 1 unresolved discussion (waiting on @worxli)

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.bazelrc, line 1 at r1 (raw file):

build --workspace_status_command=./tools/bazel-build-env --disk_cache=.bazel-cache

Let's go with ./.bazel-cache for consistency.

[worxli]

Reviewable status: 1 of 2 files reviewed, 1 unresolved discussion (waiting on @kormat)

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.bazelrc, line 1 at r1 (raw file):

Previously, kormat (Stephen Shirley) wrote…

Let's go with ./.bazel-cache for consistency.

Done.

[kormat]

Reviewed 1 of 1 files at r2.
Reviewable status: complete! all files reviewed, all discussions resolved