This reverts commit 50900938c4, restoring
the grpc-swift-1 based builder API while preserving build secrets and
hidden docker dir support added in a00ec5c.
Signed-off-by: Eric Ernst <eric_ernst@apple.com>
- Closes#1308.
- Applies dependency and code changes similar to
apple/containerization#578.
- Upgrades hawkeye to latest version.
- Update StderrLogHandler not to create a (non-Sendable) Swift time
formatter object for every log message.