Move c++03 onto the same line as the other dialects

For Android, when/if we test C++03, we will verify that stdatomic.h
and atomic can be included simultaneously.

Author: rprichard

libcxx/test/libcxx/atomics/atomics.syn/compatible_with_stdatomic.compile.pass.cpp

@@ -9,8 +9,7 @@
 // UNSUPPORTED: no-threads
 
 // On Android, libc++'s <stdatomic.h> header always redirects to <atomic>, even before C++23.
-// UNSUPPORTED: c++03
-// UNSUPPORTED: (c++11 || c++14 || c++17 || c++20) && !android
+// UNSUPPORTED: (c++03 || c++11 || c++14 || c++17 || c++20) && !android
 
 // This test verifies that <stdatomic.h> redirects to <atomic>.