Add compile option to speed up code.
am: 7435ef7a52

Change-Id: I5433aba6abe6fa2057bbdf7672eb390f252d73a2
diff --git a/Android.bp b/Android.bp
index 5858f7f..07c4ca3 100644
--- a/Android.bp
+++ b/Android.bp
@@ -27,6 +27,8 @@
     cflags: [
         "-O3",
         "-fno-rtti",
+        // This option speeds up alloc/free code paths by about 5% to 7%.
+        "-fno-stack-protector",
 
         "-Wall",
         "-Wextra",