[Android] Improve DPAD navigation

[Geoffrey Métais]

vlc-android | branch: master | Geoffrey Métais <geoffrey.metais at gmail.com> | Tue Nov  8 10:59:42 2016 +0100| [2109f05e90259add8b75cec32f5454fb6939711a] | committer: Geoffrey Métais

Improve DPAD navigation

RecyclerView scrolling is still broken

> https://code.videolan.org/videolan/vlc-android/commit/2109f05e90259add8b75cec32f5454fb6939711a
---

 vlc-android/res/layout/audio_browser.xml           | 23 +----------
 vlc-android/res/layout/audio_browser_item.xml      |  4 +-
 vlc-android/res/layout/video_grid.xml              |  6 +--
 vlc-android/res/menu/media_library.xml             |  6 +--
 .../src/org/videolan/vlc/gui/MainActivity.java     | 27 -------------
 .../vlc/gui/audio/AudioBrowserAdapter.java         | 12 +++++-
 .../vlc/gui/audio/AudioBrowserFragment.java        | 44 ----------------------
 .../src/org/videolan/vlc/gui/helpers/UiTools.java  |  2 +-
 8 files changed, 18 insertions(+), 106 deletions(-)

Diff:   https://code.videolan.org/videolan/vlc-android/commit/2109f05e90259add8b75cec32f5454fb6939711a