fastlane: update app descriptions.

fastlane/metadata/android/en-US/full_description.txt

@@ -1,4 +1,4 @@
-Secure and end-to-end encrypted personal information sync for Android, the desktop and the web. Currently supports calendars, contacts and tasks (using OpenTasks), with more on the way.
+Secure, end-to-end encrypted, and privacy respecting sync for Android, the desktop and the web. Currently supports calendars, contacts and tasks (using OpenTasks), with more on the way.
 
 In order to use this application you need to have an account with EteSync (paid hosting), or run your own instance (free and open source). Check out https://www.etesync.com/ for more information.
 

fastlane/metadata/android/en-US/short_description.txt

@@ -1 +1 @@
-Secure and end-to-end encrypted calendar, contacts and tasks sync adapter
+Secure, private and end-to-end encrypted calendar, contacts and tasks sync