android-v1.2.9

New and notable (since https://github.com/Jigsaw-Code/outline-client/releases/tag/android-v1.2.7):

• handle networks and servers without support for UDP #481
• reduce memory usage of DNS requests #442

Other changes:

• fix race between URL interception and clipboard import #384
• update to cordova-android 7.1.4 #396
• update to husky 1.x, fix and simplify precommit #474
• move to typescript 3.1 #472
• fix event types #402