Bump oat version again to force recompile

Bug: 4674743

(cherry picked from commit 36a69e7d133d4d056e00962f275ee5b4959f9e93)

Change-Id: I65f30a86abeca58bed74f4bd0f6e1e32c6f3dec8
diff --git a/runtime/oat.cc b/runtime/oat.cc
index c7dda71..11b6e4d 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', '2', '5', '\0' };
+const uint8_t OatHeader::kOatVersion[] = { '0', '2', '6', '\0' };
 
 OatHeader::OatHeader() {
   memset(this, 0, sizeof(*this));