Merge "Zero C++ heap by default."
diff --git a/android/variable.go b/android/variable.go
index d752aec..a9495cc 100644
--- a/android/variable.go
+++ b/android/variable.go
@@ -390,7 +390,7 @@
 		AAPTPrebuiltDPI:     []string{"xhdpi", "xxhdpi"},
 
 		Malloc_not_svelte:            boolPtr(true),
-		Malloc_zero_contents:         boolPtr(false),
+		Malloc_zero_contents:         boolPtr(true),
 		Malloc_pattern_fill_contents: boolPtr(false),
 		Safestack:                    boolPtr(false),
 	}