Remove sourcepath argument from metalava invocations

This is no longer required to find package.html files, so remove it.

Bug: 153703940
Test: m checkapi
Change-Id: I80ec219cb9ef8922094336a5d45652c8e59aa113
diff --git a/java/droidstubs.go b/java/droidstubs.go
index 3607082..d348b55 100644
--- a/java/droidstubs.go
+++ b/java/droidstubs.go
@@ -392,22 +392,11 @@
 }
 
 func metalavaCmd(ctx android.ModuleContext, rule *android.RuleBuilder, javaVersion javaVersion, srcs android.Paths,
-	srcJarList android.Path, bootclasspath, classpath classpath, sourcepaths android.Paths,
-	homeDir android.WritablePath) *android.RuleBuilderCommand {
+	srcJarList android.Path, bootclasspath, classpath classpath, homeDir android.WritablePath) *android.RuleBuilderCommand {
 	rule.Command().Text("rm -rf").Flag(homeDir.String())
 	rule.Command().Text("mkdir -p").Flag(homeDir.String())
 
-	var cmd *android.RuleBuilderCommand
-	if len(sourcepaths) > 0 {
-		// We are passing the sourcepaths as an argument to metalava below, but the directories may
-		// not exist already (if they do not contain any listed inputs for metalava). Note that this
-		// is in a rule.SboxInputs()rule, so we are not modifying the actual source tree by creating
-		// these directories.
-		cmd = rule.Command()
-		cmd.Text("mkdir -p").Flags(cmd.PathsForInputs(sourcepaths))
-	}
-
-	cmd = rule.Command()
+	cmd := rule.Command()
 	cmd.FlagWithArg("ANDROID_PREFS_ROOT=", homeDir.String())
 
 	if ctx.Config().UseRBE() && ctx.Config().IsEnvTrue("RBE_METALAVA") {
@@ -440,13 +429,6 @@
 		cmd.FlagWithInputList("-classpath ", classpath.Paths(), ":")
 	}
 
-	if len(sourcepaths) > 0 {
-		// TODO(b/153703940): Pass .html files to metalava and remove this argument.
-		cmd.FlagWithList("-sourcepath ", sourcepaths.Strings(), ":")
-	} else {
-		cmd.FlagWithArg("-sourcepath ", `""`)
-	}
-
 	cmd.Flag("--no-banner").
 		Flag("--color").
 		Flag("--quiet").
@@ -490,7 +472,7 @@
 
 	homeDir := android.PathForModuleOut(ctx, "metalava", "home")
 	cmd := metalavaCmd(ctx, rule, javaVersion, d.Javadoc.srcFiles, srcJarList,
-		deps.bootClasspath, deps.classpath, d.Javadoc.sourcepaths, homeDir)
+		deps.bootClasspath, deps.classpath, homeDir)
 	cmd.Implicits(d.Javadoc.implicits)
 
 	d.stubsFlags(ctx, cmd, stubsDir)