Switch hwasan from fork to vfork. am: 126f2f9192

Original change: https://googleplex-android-review.googlesource.com/c/platform/libcore/+/15616979

Change-Id: I964c18ff8a77eceff328efc9c0da9c8b83e3d4a7
diff --git a/ojluni/src/main/native/UNIXProcess_md.c b/ojluni/src/main/native/UNIXProcess_md.c
index 40fdc18..a3790e8 100644
--- a/ojluni/src/main/native/UNIXProcess_md.c
+++ b/ojluni/src/main/native/UNIXProcess_md.c
@@ -119,8 +119,7 @@
 #ifndef START_CHILD_USE_VFORK
 // Android-changed: disable vfork under AddressSanitizer.
 //  #ifdef __linux__
-  #if defined(__linux__) && !__has_feature(address_sanitizer) && \
-      !__has_feature(hwaddress_sanitizer)
+  #if defined(__linux__) && !__has_feature(address_sanitizer)
     #define START_CHILD_USE_VFORK 1
   #else
     #define START_CHILD_USE_VFORK 0