Fix braino in dex2oat_wrapper.

Should be 64 instead of 32 with --64.

Bug: 154074847
Change-Id: I819226402ae14451c84c56c6d271ab2e4be443cb
diff --git a/tools/dex2oat_wrapper b/tools/dex2oat_wrapper
index b94c5b1..f9fd591 100644
--- a/tools/dex2oat_wrapper
+++ b/tools/dex2oat_wrapper
@@ -65,7 +65,7 @@
     unset args[arg_idx]
     shift
   elif [[ $1 == "--64" ]]; then
-    DEX2OAT_SUFFIX=32
+    DEX2OAT_SUFFIX=64
     unset args[arg_idx]
     shift
   elif [[ "$1" == "" ]]; then