feat(cmake): fix android cmake build issue

detail: NDK do not support find_package(Threads)
but NDK support threads!

FIXME: compnode support NON-cpu compnode on no support threads env

FXIME: may have issue if ANDROID support CUDA, need fix it
if need support this case
GitOrigin-RevId: 19af74a6af07c541503fc46031d84676cc948b29

CMakeLists.txt

@@ -689,7 +689,7 @@ if(MSVC OR WIN32)
  set(THREADS_PREFER_PTHREAD_FLAG ON)
 endif()
 
-if(CMAKE_THREAD_LIBS_INIT OR CMAKE_USE_WIN32_THREADS_INIT)
+if(CMAKE_THREAD_LIBS_INIT OR CMAKE_USE_WIN32_THREADS_INIT OR ANDROID)
  set(MGB_HAVE_THREAD 1)
 endif()