Release v1.6.4 · wordpress-mobile/AztecEditor-Android

What's Changed

Gradle Wrapper Validation by @oguzkocer in #1020
Make sure placeholders are not drawn twice when activity is destroyed by @planarvoid in #1021
Fix issue when adding an image on a blank line after a paragraph by @planarvoid in #1022
Fix predictive text issue with Samsung devices on Android 13 by @khaykov in #1024
Limit predictive text override to Samsung keyboard by @khaykov in #1027
[Docs] Remove Supports Android Info from README.md by @ParaskP7 in #1030
Update all the placeholders on content change by @planarvoid in #1032
Placeholder doesn't have correct proportions when drawing the first time by @planarvoid in #1028
Implement merging of placeholders by @planarvoid in #1031
Implement backspace soft override by @planarvoid in #1033
Feature/implement delete or update by @planarvoid in #1034
Make sure to save remove action to history by @planarvoid in #1038
Update compile sdk to 33 by @irfano in #1037
Update a8c-ci-toolkit Buildkite plugin to new name and latest version by @rynaardb in #1039
Android 13 update target sdk to 33 by @ravishanker in #1040

Full Changelog: v1.6.3...v1.6.4