AccountWizardActivity: new design

...droid/app/src/main/java/cx/ring/views/AvatarDrawable.java

...rc/main/res/drawable/baseline_account_circle_white_36.xml

...id/app/src/main/res/drawable/baseline_account_crop_24.xml

...src/main/res/drawable/baseline_arrow_forward_black_18.xml

...src/main/res/drawable/baseline_arrow_forward_white_18.xml

...id/app/src/main/res/drawable/baseline_backup_black_36.xml

...d/app/src/main/res/drawable/baseline_devices_white_36.xml

...id/app/src/main/res/drawable/baseline_router_black_36.xml

...c/main/res/drawable/wizard_button_background_selector.xml

...-android/app/src/main/res/layout/frag_acc_home_create.xml

...android/app/src/main/res/layout/frag_acc_jami_connect.xml

...droid/app/src/main/res/layout/frag_acc_profile_create.xml

...-android/app/src/main/res/layout/frag_acc_ring_create.xml

ring-android/app/src/main/res/layout/frag_acc_ring_link.xml

ring-android/app/src/main/res/values/dimens.xml

ring-android/app/src/main/res/values/styles.xml