Bump oat file version due to apparent recent code/runtime interface change

(cherry picked from commit 7f9d66c7e889dc9ace6be7b794bd9df85a7685d3)

Change-Id: I97aca6324a3beafcef66bdc4ee115c6f699bb8f8
diff --git a/runtime/oat.cc b/runtime/oat.cc
index caf18f1..81d4540 100644
--- a/runtime/oat.cc
+++ b/runtime/oat.cc
@@ -22,7 +22,7 @@
 namespace art {
 
 const uint8_t OatHeader::kOatMagic[] = { 'o', 'a', 't', '\n' };
-const uint8_t OatHeader::kOatVersion[] = { '0', '1', '3', '\0' };
+const uint8_t OatHeader::kOatVersion[] = { '0', '1', '4', '\0' };
 
 OatHeader::OatHeader() {
   memset(this, 0, sizeof(*this));