[BUILD] Fix references to trace namespace to be fully qualified #8804

Job	Run time
CMake gcc 12 (maintainer mode, async)	8m 3s
CMake gcc 12 (maintainer mode, sync)	8m 23s
CMake clang 14 (maintainer mode, async)	14m 18s
CMake clang 14 (maintainer mode, sync)	13m 54s
CMake test (without otlp-exporter)	4m 43s
CMake test (with abseil)	4m 29s
CMake clang 14 (maintainer mode, abiv2)	13m 56s
CMake msvc (maintainer mode)	7m 34s
CMake test (without otlp-exporter and with async export)	4m 51s
CMake do not install test (with otlp-exporter)	13m 40s
CMake test (with modern protobuf,grpc and abseil)	18m 25s
CMake test (with opentracing-shim)	4m 37s
CMake test (with otlp-exporter)	14m 42s
CMake C++14 test(GCC)	4m 28s
CMake C++17 test(GCC)	4m 43s
CMake C++20 test(Clang with libc++)	9m 22s
CMake C++20 test(GCC)	8m 14s
Bazel	13m 13s
Bazel with async export	13m 9s
Bazel valgrind	14m 39s
Bazel with external abseil	13m 9s
CMake install test (with abseil)	4m 31s
CMake test (build shared libraries with otlp-exporter and static gRPC)	13m 51s
Plugin -> CMake	1m 0s
Bazel asan config	15m 13s
Bazel noexcept	12m 3s
Bazel nortti	13m 13s
Bazel on MacOS	23m 26s
Bazel tsan config	13m 13s
Benchmark	8m 1s
Copyright	5s
Format	15s
CMake -> exporter proto	12m 32s
Bazel Windows	18m 54s
CMake (With async export) -> exporter proto	12m 30s
CMake -> exporter proto (Build as DLL)	12m 46s
Code coverage	14m 11s
DocFX check	1m 25s
markdown-lint	6s
misspell	6s
Plugin -> CMake Windows	6m 51s
	6h 36m 44s

Provide feedback