AndroidMkEntries() returns multiple AndroidMkEntries structs

AndroidMkEntries now returns multiple AndroidMkEntires so that a module
can emit multiple Make modules if needed.

Bug: 128708192
Test: m

Change-Id: I56b6f76d22943b80329951c5acb80a1b932441ad
diff --git a/cc/vndk.go b/cc/vndk.go
index 5aeb2e6..f531af3 100644
--- a/cc/vndk.go
+++ b/cc/vndk.go
@@ -460,8 +460,8 @@
 	ctx.InstallFile(installPath, filename, txt.outputFile)
 }
 
-func (txt *vndkLibrariesTxt) AndroidMkEntries() android.AndroidMkEntries {
-	return android.AndroidMkEntries{
+func (txt *vndkLibrariesTxt) AndroidMkEntries() []android.AndroidMkEntries {
+	return []android.AndroidMkEntries{android.AndroidMkEntries{
 		Class:      "ETC",
 		OutputFile: android.OptionalPathForPath(txt.outputFile),
 		ExtraEntries: []android.AndroidMkExtraEntriesFunc{
@@ -469,7 +469,7 @@
 				entries.SetString("LOCAL_MODULE_STEM", txt.outputFile.Base())
 			},
 		},
-	}
+	}}
 }
 
 func (txt *vndkLibrariesTxt) OutputFile() android.OutputPath {