Rename filename of soong built android-info

This makes it consistent with make built one.

Change-Id: I39661af36b8d9c4f4903e80fd013e6ce8181eba9
diff --git a/fsgen/filesystem_creator.go b/fsgen/filesystem_creator.go
index de9e5c2..3853e5d 100644
--- a/fsgen/filesystem_creator.go
+++ b/fsgen/filesystem_creator.go
@@ -589,7 +589,7 @@
 	}{
 		Name:             proptools.StringPtr(generatedModuleName(ctx.Config(), "android_info.prop")),
 		Board_info_files: partitionVars.BoardInfoFiles,
-		Stem:             proptools.StringPtr("android_info.txt"),
+		Stem:             proptools.StringPtr("android-info.txt"),
 	}
 	if len(androidInfoProps.Board_info_files) == 0 {
 		androidInfoProps.Bootloader_board_name = proptools.StringPtr(partitionVars.BootLoaderBoardName)