Most of the Bazel targets fail to be built #15246
Description
I'm seeing that ~6890 targets are failing to be build in Bazel C/C++ tests (both debug and opt builds).
https://source.cloud.google.com/results/invocations/47141d87-295f-4ab3-b047-d412f3cdad3b/targets
https://source.cloud.google.com/results/invocations/b7d9f5a4-00e0-4548-bb2c-245e1927373f/targets
A part of the log:
WARNING: errors encountered while analyzing target '//test/core/end2end:h2_ssl_proxy_test@simple_cacheable_request@poller=poll-cv': it will not be built
WARNING: errors encountered while analyzing target '//test/core/end2end:h2_fd_test@compressed_payload@poller=poll': it will not be built
WARNING: errors encountered while analyzing target '//test/core/end2end:h2_http_proxy_test@cancel_with_status@poller=poll': it will not be built
WARNING: errors encountered while analyzing target '//test/core/end2end:h2_compress_test@retry_disabled@poller=epollsig': it will not be built
WARNING: errors encountered while analyzing target '//test/core/compression:message_compress_test@poller=epoll1': it will not be built
WARNING: errors encountered while analyzing target '//test/core/end2end:h2_ssl_proxy_test@cancel_with_status@poller=epollex': it will not be built
WARNING: errors encountered while analyzing target '//test/core/end2end:h2_load_reporting_test@retry_recv_initial_metadata@poller=epoll1': it will not be built
WARNING: errors encountered while analyzing target '//test/core/end2end:h2_compress_test@max_message_length@poller=epoll1': it will not be built
WARNING: errors encountered while analyzing target '//test/core/end2end:h2_full+pipe_test@authority_not_supported@poller=epoll1': it will not be built
WARNING: errors encountered while analyzing target '//test/core/end2end:h2_full+pipe_test@empty_batch@poller=poll-cv': it will not be built
WARNING: errors encountered while analyzing target '//test/core/end2end:h2_ssl_test@retry_non_retriable_status_before_recv_trailing_metadata_started@poller=epollex': it will not be built
WARNING: errors encountered while analyzing target '//test/core/end2end:h2_uds_test@network_status_change@poller=epollsig': it will not be built
WARNING: errors encountered while analyzing target '//test/core/end2end:inproc_test@shutdown_finishes_tags@poller=epollsig': it will not be built
WARNING: errors encountered while analyzing target '//test/core/gprpp:manual_constructor_test@poller=poll-cv': it will not be built
WARNING: errors encountered while analyzing target '//test/core/channel:status_util_test@poller=epollex': it will not be built
WARNING: errors encountered while analyzing target '//test/core/end2end:h2_load_reporting_test@call_creds@poller=poll': it will not be built
WARNING: errors encountered while analyzing target '//test/core/end2end:h2_sockpair_test@ping_pong_streaming@poller=poll-cv': it will not be built