[standalone] Register a segfault handler on Android as already done on Linux.

runtime/bin/platform_macos.cc

Index: runtime/bin/platform_macos.cc
diff --git a/runtime/bin/platform_macos.cc b/runtime/bin/platform_macos.cc
index 2745df6490ee3a1d6f64b7e1f7ebfac6f0693b53..dda9ab8b8c36f896d0a2816de733a11374d85198 100644
--- a/runtime/bin/platform_macos.cc
+++ b/runtime/bin/platform_macos.cc
@@ -60,6 +60,10 @@ bool Platform::Initialize() {
     perror("sigaction() failed.");
     return false;
   }
+  if (sigaction(SIGBUS, &act, NULL) != 0) {
+    perror("sigaction() failed.");
+    return false;
+  }
   if (sigaction(SIGTRAP, &act, NULL) != 0) {
     perror("sigaction() failed.");
     return false;