update org.jetbrains.kotlin.android to 1.8.0

V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/MainActivity.kt

@@ -627,6 +627,7 @@ class MainActivity : BaseActivity(), NavigationView.OnNavigationItemSelectedList
         }
     }
 
+    @Deprecated("Deprecated in Java")
     override fun onBackPressed() {
         if (binding.drawerLayout.isDrawerOpen(GravityCompat.START)) {
             binding.drawerLayout.closeDrawer(GravityCompat.START)