async-safe logging: __ANDROID_API_LEVEL__ isn't a thing.

__ANDROID_API__ is the actual name for this.

Change-Id: I6a8e68ec9e642b0328396914efa3e1f57dc7426d
diff --git a/libc/async_safe/async_safe_log.cpp b/libc/async_safe/async_safe_log.cpp
index 07133b7..c24b326 100644
--- a/libc/async_safe/async_safe_log.cpp
+++ b/libc/async_safe/async_safe_log.cpp
@@ -359,7 +359,7 @@
       buffer[1] = 'x';
       format_integer(buffer + 2, sizeof(buffer) - 2, value, 'x');
     } else if (c == 'm') {
-#if __ANDROID_API_LEVEL__ >= 35 // This library is used in mainline modules.
+#if __ANDROID_API__ >= 35 // This library is used in mainline modules.
       if (alternate) {
         const char* name = strerrorname_np(errno);
         if (name) {