Implement the mechanics of fxa login on android, but don't show ui fo… (#1000)

* Implement the mechanics of fxa login on android, but don't show ui for it yet. Also, scopedKeys are not yet implemented.

* Hopefully fix the package-lock conflict?

* WIP on android scoped keys

* Finish implementing login.

* created android/user.js to handle android logins

android/stores/.eslintrc.yaml

@@ -1,6 +0,0 @@
-env:
-  browser: true
-
-parserOptions:
-  sourceType: module
-

android/stores/state.js

@@ -1,6 +1,6 @@
 /* eslint-disable no-console */
 
-import User from '../../app/user';
+import User from '../user';
 import storage from '../../app/storage';
 
 export default function initialState(state, emitter) {