Add changelog for 352
This MR was automatically created from CI, https://gitlab.com/gitlab-org/gitter/gitter-android-app/-/jobs/225295471
We copied CURRENT_VERSION.txt
-> 352.txt
This MR was automatically created from CI, https://gitlab.com/gitlab-org/gitter/gitter-android-app/-/jobs/225295471
We copied CURRENT_VERSION.txt
-> 352.txt