* rename ChannelData to ClientChannel
* make ClientChannel class definition public
* move retry code to its own filter
* move LB call factory method to ClientChannel class
* move dynamic termination filter out of ClientChannel class
* update comments
* remove retry parsing from client channel service config parser
* fix clang-tidy
* fix service_config_test
* clang-format
This caused problems internally. The interface deletion needs a cherrypick, but I will do an overnight test first, before I reintroduce. CC @nicolasnoble
* tools/buildgen/extract_metadata_from_bazel_xml.py changes from #25272
* regenerate projects
* get rid of useless _deduplicate_append
* extract_deps worked for both collapsed_sources and collapsed_deps only due to mismatch of bazel label vs target name mismatch
* special handling for absl has no effect
* improve comments
* remove changes that are not needed yet
* Implement the xDS Config Dump as CSDS in Core
* Revemp the logic of caching and constructing the CSDS response
* Unref created error
* Fix the clang tidy complains
* Resolve comments about symbol preload and Json ctor
* Improve readability
* Merge with new ADS logic && support latest CSDS
* Refactor the version/client_status logic
* Add support for error_state
* Add support for does_not_exist
* Add node information
* Fix the ProtoBuf segfault
* More test cases
* Refactor to use bytes as cache instead of JSON
* Apply clang_tidy's suggestion
* Resolve reviewer's requests
* Tiny stylish fixes && make sanity test happy
* WIP: still working on the matchers
* Update a bunch of matchers
* Improve readability a bit
* Resolve reviewer's suggestions
* Resolve reviewer's comments
* Make Unpack fail fast
* Refactored with dynamic filters
* Error-tolerance tuned
* Fix leak of grpc_error and data race of canceller
* Adopt the latest xDS HTTP filter framework
* Fix fault injection tests' conflict with router filter
* Test alternative setup (override, no-override) without copy
* Refactor file strcutures of fault injection filter
* Rewrite the Json parsing/assembling logic again
* Added logic for aborting streaming RPC && resolve comments
* Revert "Revert "xDS HTTP filter support for gRPC client" (#25555)"
This reverts commit 785a128a83.
* xds_end2end_test: avoid flakes from lingering shutdown from previous test