Bump image version

Version bump in previous CL was rebased out.

Change-Id: Ifcd76b852716cc2a6c08287e83b9861621df7605
diff --git a/runtime/image.cc b/runtime/image.cc
index cafd53a..2fed4d3 100644
--- a/runtime/image.cc
+++ b/runtime/image.cc
@@ -24,7 +24,7 @@
 namespace art {
 
 const uint8_t ImageHeader::kImageMagic[] = { 'a', 'r', 't', '\n' };
-const uint8_t ImageHeader::kImageVersion[] = { '0', '2', '5', '\0' };
+const uint8_t ImageHeader::kImageVersion[] = { '0', '2', '6', '\0' };
 
 ImageHeader::ImageHeader(uint32_t image_begin,
                          uint32_t image_size,