[Android] Make video save preferences clearer

[Nicolas Pomepuy]

vlc-android | branch: master | Nicolas Pomepuy <nicolas at videolabs.io> | Thu Apr 30 13:29:15 2020 +0200| [0a1a74b8ec85ff5fb59d9bdd64fc35af9d18f52c] | committer: Nicolas Pomepuy

Make video save preferences clearer

> https://code.videolan.org/videolan/vlc-android/commit/0a1a74b8ec85ff5fb59d9bdd64fc35af9d18f52c
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 .../resources/src/main/res/values/strings.xml      | 115 ++++++++++++++++++---
 1 file changed, 103 insertions(+), 12 deletions(-)

Diff:   https://code.videolan.org/videolan/vlc-android/commit/0a1a74b8ec85ff5fb59d9bdd64fc35af9d18f52c