Package erofs compress hints txt in target_files.zip

Test: Built the soong target_files.zip locally
Bug: 388633394
Change-Id: I2a87d24dc675dfb13eb02941956ec5a8593e5bb5
diff --git a/filesystem/android_device.go b/filesystem/android_device.go
index c2a571c..7e4beea 100644
--- a/filesystem/android_device.go
+++ b/filesystem/android_device.go
@@ -442,6 +442,9 @@
 	}
 	builder.Command().Textf("cp").Input(android.PathForSource(ctx, "external/zucchini/version_info.h")).Textf(" %s/META/zucchini_config.txt", targetFilesDir.String())
 	builder.Command().Textf("cp").Input(android.PathForSource(ctx, "system/update_engine/update_engine.conf")).Textf(" %s/META/update_engine_config.txt", targetFilesDir.String())
+	if a.getFsInfos(ctx)["system"].ErofsCompressHints != nil {
+		builder.Command().Textf("cp").Input(a.getFsInfos(ctx)["system"].ErofsCompressHints).Textf(" %s/META/erofs_default_compress_hints.txt", targetFilesDir.String())
+	}
 }
 
 func (a *androidDevice) getFilesystemInfo(ctx android.ModuleContext, depName string) FilesystemInfo {