[Android] Rename PlaylistActivity to HeaderMediaListActivity

[Duncan McNamara]

vlc-android | branch: master | Duncan McNamara <dcn.mcnamara at gmail.com> | Tue Mar 29 18:00:18 2022 +0200| [dc0c8d99ecdd2f9f15f89730bec3c7b293c3a57d] | committer: Duncan McNamara

Rename PlaylistActivity to HeaderMediaListActivity

> https://code.videolan.org/videolan/vlc-android/commit/dc0c8d99ecdd2f9f15f89730bec3c7b293c3a57d
---

 ...ivityUITest.kt => HeaderMediaListActivityUITest.kt} | 10 +++++++---
 application/vlc-android/AndroidManifest.xml            |  2 +-
 ...{PlaylistActivity.kt => HeaderMediaListActivity.kt} | 18 ++++++++++--------
 .../src/org/videolan/vlc/gui/PlaylistFragment.kt       |  2 +-
 .../videolan/vlc/gui/audio/AudioAlbumsSongsFragment.kt |  3 ++-
 .../org/videolan/vlc/gui/audio/AudioBrowserFragment.kt |  4 ++--
 .../vlc/viewmodels/mobile/PlaylistViewModel.kt         | 10 ++++++++--
 7 files changed, 31 insertions(+), 18 deletions(-)

Diff:   https://code.videolan.org/videolan/vlc-android/commit/dc0c8d99ecdd2f9f15f89730bec3c7b293c3a57d