Allow CustomProxyConfig to apply to non-idempotent methods

It is a property of the Data Reduction Proxy that requests using
non-idempotent methods must never be proxied.  Other CustomProxyConfig
providers should be allowed to assume the proxy handles the
non-idempotent case correctly.

Change-Id: I3b31e3c9567e10ccd746541f2f1d46312356f14a
Reviewed-by: Eric Roman <>
Reviewed-by: Tom Sepez <>
Commit-Queue: Wojciech Dzier┼╝anowski <>
Cr-Commit-Position: refs/heads/master@{#626033}
3 files changed