[NFC][hwasan] Do not include sanitizer_placement_new.h in header files (#82993)

Do not include sanitizer_placement_new.h into header files, only into
source files.

Author: Enna1

compiler-rt/lib/hwasan/hwasan_report.cpp

@@ -27,6 +27,7 @@
 #include "sanitizer_common/sanitizer_flags.h"
 #include "sanitizer_common/sanitizer_internal_defs.h"
 #include "sanitizer_common/sanitizer_mutex.h"
+#include "sanitizer_common/sanitizer_placement_new.h"
 #include "sanitizer_common/sanitizer_report_decorator.h"
 #include "sanitizer_common/sanitizer_stackdepot.h"
 #include "sanitizer_common/sanitizer_stacktrace_printer.h"

compiler-rt/lib/hwasan/hwasan_thread_list.cpp

@@ -1,5 +1,6 @@
 #include "hwasan_thread_list.h"
 
+#include "sanitizer_common/sanitizer_placement_new.h"
 #include "sanitizer_common/sanitizer_thread_arg_retval.h"
 
 namespace __hwasan {

compiler-rt/lib/hwasan/hwasan_thread_list.h

@@ -47,7 +47,6 @@
 #include "hwasan_allocator.h"
 #include "hwasan_flags.h"
 #include "hwasan_thread.h"
-#include "sanitizer_common/sanitizer_placement_new.h"
 #include "sanitizer_common/sanitizer_thread_arg_retval.h"
 
 namespace __hwasan {