Hacky workaround for half-finalized builds.

Metalava increments the SDK level by one when it's not "REL", so we
temporarily force the build to be "REL" while we're still in the
process of finalizing it.

This CL must be reverted as part of actually declaring "REL".

Bug: 171506470
Test: Build
(cherry picked from commit 05597c0cc44964f11c8e711d2d03b8dea221b7b9)

Change-Id: I18405cdd27769598f5e7a6a968f0dd473f936f6c
diff --git a/java/droidstubs.go b/java/droidstubs.go
index 3b1f7c0..d444738 100644
--- a/java/droidstubs.go
+++ b/java/droidstubs.go
@@ -379,7 +379,8 @@
 	cmd.FlagWithOutput("--generate-api-levels ", d.apiVersionsXml)
 	cmd.FlagWithInput("--apply-api-levels ", d.apiVersionsXml)
 	cmd.FlagWithArg("--current-version ", ctx.Config().PlatformSdkVersion().String())
-	cmd.FlagWithArg("--current-codename ", ctx.Config().PlatformSdkCodename())
+	// STOPSHIP: RESTORE THIS LOGIC WHEN DECLARING "REL" BUILD
+	// cmd.FlagWithArg("--current-codename ", ctx.Config().PlatformSdkCodename())
 
 	filename := proptools.StringDefault(d.properties.Api_levels_jar_filename, "android.jar")