Use /c/build/ as HOME consistent with envoy linux docker env (#16368)
Use /c/build/ as HOME consistent with envoy linux docker env (#16368)

This will persist changes and notes made in /home/wrowe between docker invocations
and allow developers to manage desired constants such as .bazelrc

Signed-off-by: William A Rowe Jr <6b594a7cef7896b2a5c8742c6f375a4f1966bff1@vmware.com>
envoyproxy/envoy,lyft/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,lyft/envoy,lyft/envoy,envoyproxy/envoy,lyft/envoy,lyft/envoy,envoyproxy/envoy,envoyproxy/envoy,lyft/envoy