Re-organize ffi session tests to prepare for more combinations #773

Job	Run time
build_attest_all (buildconfigs/key_xor_test_app.sh)	41m 11s
build_attest_all (buildconfigs/oak_client_android_app.sh)	50m 3s
build_attest_all (buildconfigs/oak_containers_agent.sh)	35m 52s
build_attest_all (buildconfigs/oak_containers_kernel.sh)	33m 14s
build_attest_all (buildconfigs/oak_containers_orchestrator.sh)	49m 35s
build_attest_all (buildconfigs/oak_containers_stage1.sh)	47m 43s
build_attest_all (buildconfigs/oak_containers_syslogd.sh)	54m 4s
build_attest_all (buildconfigs/oak_containers_system_image.sh)	49m 49s
build_attest_all (buildconfigs/oak_containers_nvidia_system_image.sh)	50m 39s
build_attest_all (buildconfigs/oak_echo_enclave_app.sh)	42m 48s
build_attest_all (buildconfigs/oak_echo_raw_enclave_app.sh)	42m 39s
build_attest_all (buildconfigs/oak_functions_enclave_app.sh)	40m 54s
build_attest_all (buildconfigs/oak_functions_insecure_enclave_app.sh)	42m 10s
build_attest_all (buildconfigs/oak_orchestrator.sh)	41m 57s
build_attest_all (buildconfigs/oak_restricted_kernel_simple_io_init_rd_wrapper_bin.sh)	42m 33s
build_attest_all (buildconfigs/stage0_bin.sh)	44m 36s
build_attest_all (buildconfigs/stage0_bin_tdx.sh)	40m 44s
	12h 30m 31s

Provide feedback