[Android] Use SortedList for videos grid

[Geoffrey Métais]

vlc-android | branch: 2.0.x | Geoffrey Métais <geoffrey.metais at gmail.com> | Mon Jun 13 15:09:53 2016 +0200| [1800707f5eb5c7eb2e40ae742a2b5df042117bec] | committer: Geoffrey Métais

Use SortedList for videos grid

(cherry picked from commit edf73f549a6433f603c2315b813a04719993a882)

> https://code.videolan.org/videolan/vlc-android/commit/1800707f5eb5c7eb2e40ae742a2b5df042117bec
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 .../videolan/vlc/gui/video/VideoGridFragment.java  |   5 +-
 .../videolan/vlc/gui/video/VideoListAdapter.java   | 244 +++++++++++----------
 2 files changed, 126 insertions(+), 123 deletions(-)

Diff:   https://code.videolan.org/videolan/vlc-android/commit/1800707f5eb5c7eb2e40ae742a2b5df042117bec