chore (fastlane) create changelog for 2.1.0-beta.3

Author: sds100

fastlane/metadata/android/en-US/changelogs/35.txt

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+Bug Fixes
+
+- App crashed when starting the accessibility service on Android Marshmallow 6.0 and older. OOPS XD.
+- The Menu action wouldn't sometimes work on rooted devices.
+- Attempt to fix the problem of the accessibility service being enabled but broken on some devices.
+- Typo in the dialog message prompting the user to reboot.
+- The dialog prompting the user to reboot would show at the wrong time.
+- Switch to a new App Intro library. Hopefully it is more stable because the old library was crashing for many users.