Add JIT late override property

Required for JIT debug property since user builds can't restart
the shell.

Bug: 19735273

Change-Id: I1983852e80010c344b45e0bb459de47c56adfce8
diff --git a/core/java/android/os/Process.java b/core/java/android/os/Process.java
index 4834f97..0de9c70 100644
--- a/core/java/android/os/Process.java
+++ b/core/java/android/os/Process.java
@@ -631,6 +631,9 @@
             if ((debugFlags & Zygote.DEBUG_ENABLE_CHECKJNI) != 0) {
                 argsForZygote.add("--enable-checkjni");
             }
+            if ((debugFlags & Zygote.DEBUG_ENABLE_JIT) != 0) {
+                argsForZygote.add("--enable-jit");
+            }
             if ((debugFlags & Zygote.DEBUG_ENABLE_ASSERT) != 0) {
                 argsForZygote.add("--enable-assert");
             }