[Android] Update search to match new medialibrary API

[Geoffrey Métais]

vlc-android | branch: master | Geoffrey Métais <geoffrey.metais at gmail.com> | Tue Aug  7 17:48:46 2018 +0200| [b5f8993692e4a5e3d14e1ac34f9268b489ed2016] | committer: Geoffrey Métais

Update search to match new medialibrary API

> https://code.videolan.org/videolan/vlc-android/commit/b5f8993692e4a5e3d14e1ac34f9268b489ed2016
---

 medialibrary/jni/medialibrary.cpp                  | 11 +---
 medialibrary/jni/utils.h                           |  4 --
 .../org/videolan/medialibrary/Medialibrary.java    |  5 +-
 .../medialibrary/media/MediaSearchAggregate.java   | 61 ----------------------
 .../medialibrary/media/SearchAggregate.java        | 45 ++++++++++++----
 5 files changed, 40 insertions(+), 86 deletions(-)

Diff:   https://code.videolan.org/videolan/vlc-android/commit/b5f8993692e4a5e3d14e1ac34f9268b489ed2016