Fix module name

.gitmodules

@@ -1,7 +1,7 @@
-[submodule "app/src/main/jni/badvpn"]
+[submodule "core/src/main/jni/badvpn"]
 	path = core/src/main/jni/badvpn
 	url = https://github.com/shadowsocks/badvpn
-[submodule "app/src/main/jni/libancillary"]
+[submodule "core/src/main/jni/libancillary"]
 	path = core/src/main/jni/libancillary
 	url = https://github.com/shadowsocks/libancillary
 [submodule "v2ray"]
@@ -34,6 +34,6 @@
 [submodule "trojan-go-plugin/src/main/go/trojan-go"]
 	path = trojan-go-plugin/src/main/go/trojan-go
 	url = https://github.com/p4gefau1t/trojan-go
-[submodule "app/src/main/jni/proxychains-ng"]
+[submodule "core/src/main/jni/proxychains-ng"]
 	path = core/src/main/jni/proxychains
 	url = https://github.com/SagerNet/proxychains-ng