Add --pid=host #2847

Job	Run time
env-protect-setup	8s
authorize	2s
get-dev-image / get-image	11s
clang-tidy	50m 15s
code-coverage	38m 24s
generate-matrix	22m 27s
build-and-test	0s
build-and-test-status	3s
env-protect-setup	8s
authorize	2s
get-dev-image / get-image	11s
clang-tidy	1h 17m 35s
code-coverage	54m 53s
generate-matrix	39m 1s
build-and-test	0s
build-and-test-status	2s
env-protect-setup	7s
authorize	3s
get-dev-image / get-image	6s
code-coverage	42m 43s
clang-tidy	10m 55s
generate-matrix	27m 21s
build-and-test (BPF opt (4.14.254), kvm, --config=qemu-bpf --compilation_mode=opt --//bazel/test_...	19m 30s
build-and-test (BPF opt (6.1.106), kvm, --config=qemu-bpf --compilation_mode=opt --//bazel/test_r...	21m 40s
build-and-test (Clang opt + UI, nokvm, --config=clang --compilation_mode=opt, bazel_buildables_cl...	24m 51s
build-and-test (Clang debug, nokvm, --config=clang --compilation_mode=dbg, bazel_buildables_clang...	22m 16s
build-and-test (TSAN, nokvm, --config=tsan --compilation_mode=dbg, bazel_buildables_sanitizer, ba...	22m 33s
build-and-test (ASAN, nokvm, --config=asan --compilation_mode=dbg, bazel_buildables_sanitizer, ba...	22m 59s
build-and-test (GCC opt, nokvm, --config=gcc --compilation_mode=opt, bazel_buildables_gcc_opt, ba...	22m 9s
build-and-test (Go race detector, nokvm, --config=go_race --compilation_mode=opt, bazel_buildable...	20m 19s
build-and-test-status	3s
	9h 0m 57s

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