O MR1 is API 27

Bug: 64982450
Test: manual
Change-Id: Ic5d25b8a12271e5bfa71e30843a36fb643b914ff
diff --git a/Android.mk b/Android.mk
index 1c9295e..8c9802c 100644
--- a/Android.mk
+++ b/Android.mk
@@ -12,7 +12,7 @@
 # is made which breaks compatibility with the previous platform sepolicy version,
 # not just on every increase in PLATFORM_SDK_VERSION.  The minor version should
 # be reset to 0 on every bump of the PLATFORM_SDK_VERSION.
-sepolicy_major_vers := 26
+sepolicy_major_vers := 27
 sepolicy_minor_vers := 0
 
 ifneq ($(sepolicy_major_vers), $(PLATFORM_SDK_VERSION))