Revert "Check that API is up-to-date when building java_sdk_library"

This reverts commit c166b6858947161d6e958090f11fe33001427c05.

Bug: 234113632
Bug: 236187167
Reason for revert: causes problems with update-api, see b/236187167

Change-Id: I4c88151cb5e2c86bb6c1a955c5065966a4fbb3e0
(cherry picked from commit e7a8664a6a37be95d8b6b55c35b74c8b8b7e8765)
Merged-In: I4c88151cb5e2c86bb6c1a955c5065966a4fbb3e0
diff --git a/java/droidstubs.go b/java/droidstubs.go
index 20ea5ff..3b1f7c0 100644
--- a/java/droidstubs.go
+++ b/java/droidstubs.go
@@ -675,16 +675,87 @@
 
 	zipSyncCleanupCmd(rule, srcJarDir)
 
-	if apiCheckEnabled(ctx, d.properties.Check_api.Current, "current") {
-		d.generateCheckCurrentCheckedInApiIsUpToDateBuildRules(ctx)
-
-		// Make sure that whenever the API stubs are generated that the current checked in API files are
-		// checked to make sure that they are up-to-date.
-		cmd.Validation(d.checkCurrentApiTimestamp)
-	}
-
 	rule.Build("metalava", "metalava merged")
 
+	if apiCheckEnabled(ctx, d.properties.Check_api.Current, "current") {
+
+		if len(d.Javadoc.properties.Out) > 0 {
+			ctx.PropertyErrorf("out", "out property may not be combined with check_api")
+		}
+
+		apiFile := android.PathForModuleSrc(ctx, String(d.properties.Check_api.Current.Api_file))
+		removedApiFile := android.PathForModuleSrc(ctx, String(d.properties.Check_api.Current.Removed_api_file))
+		baselineFile := android.OptionalPathForModuleSrc(ctx, d.properties.Check_api.Current.Baseline_file)
+
+		if baselineFile.Valid() {
+			ctx.PropertyErrorf("baseline_file", "current API check can't have a baseline file. (module %s)", ctx.ModuleName())
+		}
+
+		d.checkCurrentApiTimestamp = android.PathForModuleOut(ctx, "metalava", "check_current_api.timestamp")
+
+		rule := android.NewRuleBuilder(pctx, ctx)
+
+		// Diff command line.
+		// -F matches the closest "opening" line, such as "package android {"
+		// and "  public class Intent {".
+		diff := `diff -u -F '{ *$'`
+
+		rule.Command().Text("( true")
+		rule.Command().
+			Text(diff).
+			Input(apiFile).Input(d.apiFile)
+
+		rule.Command().
+			Text(diff).
+			Input(removedApiFile).Input(d.removedApiFile)
+
+		msg := fmt.Sprintf(`\n******************************\n`+
+			`You have tried to change the API from what has been previously approved.\n\n`+
+			`To make these errors go away, you have two choices:\n`+
+			`   1. You can add '@hide' javadoc comments (and remove @SystemApi/@TestApi/etc)\n`+
+			`      to the new methods, etc. shown in the above diff.\n\n`+
+			`   2. You can update current.txt and/or removed.txt by executing the following command:\n`+
+			`         m %s-update-current-api\n\n`+
+			`      To submit the revised current.txt to the main Android repository,\n`+
+			`      you will need approval.\n`+
+			`******************************\n`, ctx.ModuleName())
+
+		rule.Command().
+			Text("touch").Output(d.checkCurrentApiTimestamp).
+			Text(") || (").
+			Text("echo").Flag("-e").Flag(`"` + msg + `"`).
+			Text("; exit 38").
+			Text(")")
+
+		rule.Build("metalavaCurrentApiCheck", "check current API")
+
+		d.updateCurrentApiTimestamp = android.PathForModuleOut(ctx, "metalava", "update_current_api.timestamp")
+
+		// update API rule
+		rule = android.NewRuleBuilder(pctx, ctx)
+
+		rule.Command().Text("( true")
+
+		rule.Command().
+			Text("cp").Flag("-f").
+			Input(d.apiFile).Flag(apiFile.String())
+
+		rule.Command().
+			Text("cp").Flag("-f").
+			Input(d.removedApiFile).Flag(removedApiFile.String())
+
+		msg = "failed to update public API"
+
+		rule.Command().
+			Text("touch").Output(d.updateCurrentApiTimestamp).
+			Text(") || (").
+			Text("echo").Flag("-e").Flag(`"` + msg + `"`).
+			Text("; exit 38").
+			Text(")")
+
+		rule.Build("metalavaCurrentApiUpdate", "update current API")
+	}
+
 	if String(d.properties.Check_nullability_warnings) != "" {
 		if d.nullabilityWarningsFile == nil {
 			ctx.PropertyErrorf("check_nullability_warnings",
@@ -721,84 +792,6 @@
 	}
 }
 
-func (d *Droidstubs) generateCheckCurrentCheckedInApiIsUpToDateBuildRules(ctx android.ModuleContext) {
-	if len(d.Javadoc.properties.Out) > 0 {
-		ctx.PropertyErrorf("out", "out property may not be combined with check_api")
-	}
-
-	apiFile := android.PathForModuleSrc(ctx, String(d.properties.Check_api.Current.Api_file))
-	removedApiFile := android.PathForModuleSrc(ctx, String(d.properties.Check_api.Current.Removed_api_file))
-	baselineFile := android.OptionalPathForModuleSrc(ctx, d.properties.Check_api.Current.Baseline_file)
-
-	if baselineFile.Valid() {
-		ctx.PropertyErrorf("baseline_file", "current API check can't have a baseline file. (module %s)", ctx.ModuleName())
-	}
-
-	d.checkCurrentApiTimestamp = android.PathForModuleOut(ctx, "metalava", "check_current_api.timestamp")
-
-	rule := android.NewRuleBuilder(pctx, ctx)
-
-	// Diff command line.
-	// -F matches the closest "opening" line, such as "package android {"
-	// and "  public class Intent {".
-	diff := `diff -u -F '{ *$'`
-
-	rule.Command().Text("( true")
-	rule.Command().
-		Text(diff).
-		Input(apiFile).Input(d.apiFile)
-
-	rule.Command().
-		Text(diff).
-		Input(removedApiFile).Input(d.removedApiFile)
-
-	msg := fmt.Sprintf(`\n******************************\n`+
-		`You have tried to change the API from what has been previously approved.\n\n`+
-		`To make these errors go away, you have two choices:\n`+
-		`   1. You can add '@hide' javadoc comments (and remove @SystemApi/@TestApi/etc)\n`+
-		`      to the new methods, etc. shown in the above diff.\n\n`+
-		`   2. You can update current.txt and/or removed.txt by executing the following command:\n`+
-		`         m %s-update-current-api\n\n`+
-		`      To submit the revised current.txt to the main Android repository,\n`+
-		`      you will need approval.\n`+
-		`******************************\n`, ctx.ModuleName())
-
-	rule.Command().
-		Text("touch").Output(d.checkCurrentApiTimestamp).
-		Text(") || (").
-		Text("echo").Flag("-e").Flag(`"` + msg + `"`).
-		Text("; exit 38").
-		Text(")")
-
-	rule.Build("metalavaCurrentApiCheck", "check current API")
-
-	d.updateCurrentApiTimestamp = android.PathForModuleOut(ctx, "metalava", "update_current_api.timestamp")
-
-	// update API rule
-	rule = android.NewRuleBuilder(pctx, ctx)
-
-	rule.Command().Text("( true")
-
-	rule.Command().
-		Text("cp").Flag("-f").
-		Input(d.apiFile).Flag(apiFile.String())
-
-	rule.Command().
-		Text("cp").Flag("-f").
-		Input(d.removedApiFile).Flag(removedApiFile.String())
-
-	msg = "failed to update public API"
-
-	rule.Command().
-		Text("touch").Output(d.updateCurrentApiTimestamp).
-		Text(") || (").
-		Text("echo").Flag("-e").Flag(`"` + msg + `"`).
-		Text("; exit 38").
-		Text(")")
-
-	rule.Build("metalavaCurrentApiUpdate", "update current API")
-}
-
 func StubsDefaultsFactory() android.Module {
 	module := &DocDefaults{}