[Android] medialibrary: Use utils::jni::string for native strings

[Hugo Beauzée-Luyssen]

vlc-android | branch: master | Hugo Beauzée-Luyssen <hugo at beauzee.fr> | Fri Sep 24 13:58:17 2021 +0200| [ae76af2ec5e6d982ea02685991982bd2b2d9a3ef] | committer: Nicolas Pomepuy

medialibrary: Use utils::jni::string for native strings

This removes the need to manually invoke DeleteLocalRef and fixes a leak
on error in mediaToMediaWrapper

> https://code.videolan.org/videolan/vlc-android/commit/ae76af2ec5e6d982ea02685991982bd2b2d9a3ef
---

 medialibrary/jni/AndroidMediaLibrary.cpp | 52 ++++++++----------
 medialibrary/jni/medialibrary.cpp        | 16 +++---
 medialibrary/jni/utils.cpp               | 92 ++++++++++++--------------------
 medialibrary/jni/utils.h                 |  2 +-
 4 files changed, 63 insertions(+), 99 deletions(-)

Diff:   https://code.videolan.org/videolan/vlc-android/commit/ae76af2ec5e6d982ea02685991982bd2b2d9a3ef