prepare for release of 0.9.3-beta

The apk published on Google Play Store uses 0.9.2 versionCode
while it is actually 0.9.1-SNAPSHOT

Let's bump version

Signed-off-by: Syrone Wong <[email protected]>

update gradle wrapper to 6.3

./gradlew wrapper --gradle-version=6.3 --distribution-type=all

Signed-off-by: Syrone Wong <[email protected]>

Migrate to AndroidX

Signed-off-by: Syrone Wong <[email protected]>

update golibs with updated go-tun2socks

Signed-off-by: Syrone Wong <[email protected]>

update golibs with our own fork of Clash and updated go-tun2socks

Signed-off-by: Syrone Wong <[email protected]>

update golibs with udp redundant locking fixes

Signed-off-by: Syrone Wong <[email protected]>

update golibs with deadlock fixes

Signed-off-by: Syrone Wong <[email protected]>

CircleCI: update golibs with tcp optimization from

upstream go-tun2socks pull request

Signed-off-by: Syrone Wong <[email protected]>

CircleCI: update golibs with refined go-tun2socks tcp relay goroutine

Signed-off-by: Syrone Wong <[email protected]>

refine trojan config parsing