Fix build after ag/3192419

Test: None
Change-Id: I3fa301340bebcaeaa7ea5a57623dd2e96caba48d

diff --git a/navigation/runtime/build.gradle b/navigation/runtime/build.gradle
index d74e3cc..4a73921 100644
--- a/navigation/runtime/build.gradle
+++ b/navigation/runtime/build.gradle

@@ -63,10 +63,10 @@
     }
 }
 
-version = LibraryVersions.NAVIGATION.toString()
 supportLibrary {
     name = "Android Navigation Runtime"
     publish = true
+    mavenVersion = LibraryVersions.NAVIGATION
     mavenGroup = LibraryGroups.NAVIGATION
     inceptionYear = "2017"
     description = "Android Navigation-Runtime"