libcutils: fix build when building with c++20

../../../nnapi-9999/platform2/aosp/system/core/libcutils/trace-host.cpp:19:48:
error: macro 'ATOMIC_VAR_INIT' has been marked as deprecated
[-Werror,-Wdeprecated-pragma]

   19 | atomic_bool             atrace_is_ready      = ATOMIC_VAR_INIT(true);
      |                                                ^
/usr/lib64/clang/18/include/stdatomic.h:59:41: note: macro marked 'deprecated' here
   59 | #pragma clang deprecated(ATOMIC_VAR_INIT)
      |                                         ^
1 error generated.

BUG=b:315455504
TEST=`emerge-brya -jg nnapi aosp-frameworks-ml-nn`

Change-Id: Ia970aac9c850a92058fd95c64cf9c6b464081d2a
Reviewed-on: https://chromium-review.googlesource.com/c/aosp/platform/system/core/libcutils/+/5119078
Commit-Queue: Jim Pollock <jmpollock@chromium.org>
Tested-by: Ricky Liang <jcliang@chromium.org>
Reviewed-by: Jim Pollock <jmpollock@chromium.org>
1 file changed