Let's get a constant for O_MR1.

Test: none
Exempt-From-Owner-Approval: HULK SMASH!
Change-Id: I440ebae4d0891d9044bbbfb5beaaaa98639aea98
diff --git a/tools/aapt2/SdkConstants.h b/tools/aapt2/SdkConstants.h
index e3745e8..864e57d 100644
--- a/tools/aapt2/SdkConstants.h
+++ b/tools/aapt2/SdkConstants.h
@@ -52,6 +52,7 @@
   SDK_NOUGAT = 24,
   SDK_NOUGAT_MR1 = 25,
   SDK_O = 26,
+  SDK_O_MR1 = 10000, // STOPSHIP Replace with the real version.
 };
 
 ApiVersion FindAttributeSdkLevel(const ResourceId& id);