remap fingerprint gestures

[sds100]

This can't be combined with other keys.
add the option to remap fingerprint gestures to the same section in the app for the bixby button. #118

• Disable the button to remap fingerprint gestures if fingerprintgestures aren't supported or it hasn't been checked whether they are supported.
• Limit to Android O API 26 and devices that can detect gestures.
• FingerprintKeymap class. properties: action, extras, flags.
• store in shared prefs with custom serializer and deserializer.
• Have a checkbox to "repeat until swiped again". allow repeat rate option when this is checked. Not repeat delay because the fingerprint gesture can't be held down.
• Vibrate and vibrate duration options.
• constraints. add a "Add Constraint" button
• accessibility service flags: flagDefault|flagRequestFingerprintGestures android:canRequestFingerprintGestures="true"
• use fingerprintGestureController.isGestureDetectionAvailable to determine whether fingerprint gesture is supported.
• everytime the accessibility service starts, save whether gesture detection is available to sharedprefs. When the screen for special buttons is opened and the accessibility service hasn't been turned on to determine whether gestures are supported and FingerprintManagerCompat.isHardwareDetectedreturns true, show a dialog prompting the user to turn on the accessibility service to see if gestures are supported. Title = "Fingerprint hardware detected"
• option to enable/disable.
• make disable all and enable all button change these keymaps as well
• react to pausing/resuming keymaps
• backup and restore. Add a button to backup everything next to "restore" button. Move the pause/resume button to the bottom of the menu.
• hide tabs and disable swiping when multi selecting
• add slide in AppIntro letting the user know that they have to enable the accessibility service for Key Mapper to check if fingerprint is supported.
  Show a "Check" button, which will turn on the accessibility service. Show a toast message when they come back to the app saying whether fingerprint is supported.
  Only show this on Android Oreo+
• fix jank when swiping to the fingerprint gesture fragment for the first time
• allow an action list
• [ x] add constraint list and action list header
• put at the top of the app description.
• add all old configkeymapfragments. e.g constraintsandmore, triggerandactions etc
• create custom action options for action shortcuts
• remove usage of singleliveevent
• test on pre Oreo
• hold down until swiped again

[sds100]

implemented