android_stub: update platform headers to include atrace

1. Add tracing headers
2. Update to reflect relocated headers
3. Remove redundant apex/window.h

Signed-off-by: Yiwei Zhang <zzyiwei@chromium.org>
Reviewed-by: Chia-I Wu <olvaffe@gmail.com>
Reviewed-by: Ryan Neph <ryanneph@google.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/13255>

include/android_stub/android/log.h

@@ -217,7 +217,6 @@ typedef void (*__android_logger_function)(const struct __android_log_message* lo
  */
 typedef void (*__android_aborter_function)(const char* abort_message);
 
-#if !defined(__ANDROID__) || __ANDROID_API__ >= 30
 /**
  * Writes the log message specified by log_message.  log_message includes additional file name and
  * line number information that a logger may use.  log_message is versioned for backwards
@@ -371,7 +370,6 @@ int32_t __android_log_get_minimum_priority(void) __INTRODUCED_IN(30);
  * Available since API level 30.
  */
 void __android_log_set_default_tag(const char* tag) __INTRODUCED_IN(30);
-#endif
 
 #ifdef __cplusplus
 }