[brpc] ideal integration

[0x34d]

Base PR apache/brpc#2420 ;

NOTE:
I can't enable memory sanitizer due to

BAD BUILD: /tmp/not-out/tmpmptlk01q/fuzz_esp seems to have either startup crash or exit:
/tmp/not-out/tmpmptlk01q/fuzz_esp -rss_limit_mb=2560 -timeout=25 -seed=1337 -runs=4 < /dev/null
Uninitialized bytes in MemcmpInterceptorCommon at offset 15 inside [0x7030000000f0, 19)
==428==WARNING: MemorySanitizer: use-of-uninitialized-value
    #0 0x682b90 in __interceptor_memcmp /src/llvm-project/compiler-rt/lib/msan/../sanitizer_common/sanitizer_common_interceptors.inc:892:10
    #1 0x7fa8ef4cf62a in google::protobuf::SimpleDescriptorDatabase::DescriptorIndex<std::pair<void const*, int> >::FindLastLessOrEqual(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&) (/tmp/not-out/tmpmptlk01q/lib/libprotobuf.so.17+0x15062a) (BuildId: 64affeb0f489ae4bcea211ed99e1eca15ff97d68)
    #2 0x7fa8ef4d259f in google::protobuf::SimpleDescriptorDatabase::DescriptorIndex<std::pair<void const*, int> >::AddSymbol(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::pair<void const*, int>) (/tmp/not-out/tmpmptlk01q/lib/libprotobuf.so.17+0x15359f) (BuildId: 64affeb0f489ae4bcea211ed99e1eca15ff97d68)
    #3 0x7fa8ef4d2a15 in google::protobuf::SimpleDescriptorDatabase::DescriptorIndex<std::pair<void const*, int> >::AddFile(google::protobuf::FileDescriptorProto const&, std::pair<void const*, int>) (/tmp/not-out/tmpmptlk01q/lib/libprotobuf.so.17+0x153a15) (BuildId: 64affeb0f489ae4bcea211ed99e1eca15ff97d68)
    #4 0x7fa8ef4cebef in google::protobuf::EncodedDescriptorDatabase::Add(void const*, int) (/tmp/not-out/tmpmptlk01q/lib/libprotobuf.so.17+0x14fbef) (BuildId: 64affeb0f489ae4bcea211ed99e1eca15ff97d68)
    #5 0x7fa8ef499f43 in google::protobuf::DescriptorPool::InternalAddGeneratedFile(void const*, int) (/tmp/not-out/tmpmptlk01q/lib/libprotobuf.so.17+0x11af43) (BuildId: 64affeb0f489ae4bcea211ed99e1eca15ff97d68)
    #6 0x7fa8ef49281d in protobuf_google_2fprotobuf_2fapi_2eproto::AddDescriptorsImpl() (/tmp/not-out/tmpmptlk01q/lib/libprotobuf.so.17+0x11381d) (BuildId: 64affeb0f489ae4bcea211ed99e1eca15ff97d68)

[github-actions]

0x34d is either the primary contact or is in the CCs list of projects/brpc.
0x34d has previously contributed to projects/brpc. The previous PR was #9237

[DavidKorczynski]

@0x34d could you make the PR descriptions more descriptive with respect to the technical changes? "[brpc] move fuzzers and build upstream, and disable MSAN" or similar is preferred in this case.

[0x34d]

@0x34d could you make the PR descriptions more descriptive with respect to the technical changes? "[brpc] move fuzzers and build upstream, and disable MSAN" or similar is preferred in this case.

I will try.

I didn't disable the MSAN; I enabled the UBSAN. I can't enable the MSAN due to protobuf bug.