Replace references to droiddoc with droidstubs

The java_sdk_library code used to create droiddoc and now it creates
droidstubs but it still referenced droiddoc internally. This change
removed all the remaining references except the ones that are visible
externally.

Bug: 153443117
Test: m nothing
Change-Id: Ie883eb4590f9c091d4149d7b17d7d3d91b1b5c6a
diff --git a/java/sdk_library.go b/java/sdk_library.go
index 52c9004..75db2d7 100644
--- a/java/sdk_library.go
+++ b/java/sdk_library.go
@@ -458,7 +458,7 @@
 	mctx.CreateModule(LibraryFactory, &props)
 }
 
-// Creates a droiddoc module that creates stubs source files from the given full source
+// Creates a droidstubs module that creates stubs source files from the given full source
 // files
 func (module *SdkLibrary) createStubsSources(mctx android.LoadHookContext, apiScope *apiScope) {
 	props := struct {
@@ -516,15 +516,15 @@
 	props.Merge_annotations_dirs = module.sdkLibraryProperties.Merge_annotations_dirs
 	props.Merge_inclusion_annotations_dirs = module.sdkLibraryProperties.Merge_inclusion_annotations_dirs
 
-	droiddocArgs := []string{}
+	droidstubsArgs := []string{}
 	if len(module.sdkLibraryProperties.Api_packages) != 0 {
-		droiddocArgs = append(droiddocArgs, "--stub-packages "+strings.Join(module.sdkLibraryProperties.Api_packages, ":"))
+		droidstubsArgs = append(droidstubsArgs, "--stub-packages "+strings.Join(module.sdkLibraryProperties.Api_packages, ":"))
 	}
 	if len(module.sdkLibraryProperties.Hidden_api_packages) != 0 {
-		droiddocArgs = append(droiddocArgs,
+		droidstubsArgs = append(droidstubsArgs,
 			android.JoinWithPrefix(module.sdkLibraryProperties.Hidden_api_packages, " --hide-package "))
 	}
-	droiddocArgs = append(droiddocArgs, module.sdkLibraryProperties.Droiddoc_options...)
+	droidstubsArgs = append(droidstubsArgs, module.sdkLibraryProperties.Droiddoc_options...)
 	disabledWarnings := []string{
 		"MissingPermission",
 		"BroadcastBehavior",
@@ -536,7 +536,7 @@
 		"Todo",
 		"Typo",
 	}
-	droiddocArgs = append(droiddocArgs, android.JoinWithPrefix(disabledWarnings, "--hide "))
+	droidstubsArgs = append(droidstubsArgs, android.JoinWithPrefix(disabledWarnings, "--hide "))
 
 	switch apiScope {
 	case apiScopeSystem:
@@ -545,7 +545,7 @@
 		droiddocArgs = append(droiddocArgs, " -showAnnotation android.annotation.TestApi")
 	}
 	props.Arg_files = module.sdkLibraryProperties.Droiddoc_option_files
-	props.Args = proptools.StringPtr(strings.Join(droiddocArgs, " "))
+	props.Args = proptools.StringPtr(strings.Join(droidstubsArgs, " "))
 
 	// List of APIs identified from the provided source files are created. They are later
 	// compared against to the not-yet-released (a.k.a current) list of APIs and to the