(cherry picked from commit ff9b3ddd)

(cherry picked from commit 6553cc47)

(cherry picked from commit 33eb5c6c)

(cherry picked from commit ee7d0907)

(cherry picked from commit 6c81d437)

(cherry picked from commit 6e9dea0f)

(cherry picked from commit 142154e3)

(cherry picked from commit 921090fd)

(cherry picked from commit 27876240)

Avoids to access app context too soon

(cherry picked from commit 1c8fa50a)

(cherry picked from commit d5ea3439)

(cherry picked from commit bb3b18ab)

(cherry picked from commit 85176224)

(cherry picked from commit 1b29a336)

Close #486

(cherry picked from commit 2f830a09)

(cherry picked from commit ab79e1b1)

Also, normal delete method for pre-Lollipop devices

(cherry picked from commit bd9f84f7)

(cherry picked from commit fd411dbd)

(cherry picked from commit 9172cbfe)

(cherry picked from commit c150fdc5)

(cherry picked from commit a5cadec2)

(cherry picked from commit 858760b2)

(cherry picked from commit 9783a68d)

If no audio track is detected and repeat was activated, we could loop on the same media trying to
skipping it

(cherry picked from commit b3dbb29a)

Thank to Sergey Toshin for pointing this security flaw

(cherry picked from commit ad0d4c8d)

(cherry picked from commit fe19149b)

(cherry picked from commit a2c2c186)

(cherry picked from commit 676a57c2)

(cherry picked from commit 9dded130)

(cherry picked from commit 12981736)

(cherry picked from commit 8d06f980)

(cherry picked from commit cd1762ed)

(cherry picked from commit 323a649f)

(cherry picked from commit 4ee0d159)

(cherry picked from commit 431c1107)

(cherry picked from commit c7f9f11c)

Send the *_EFFECT_CONTROL_SESSION intent when the state of current media
is updated. It allows external audio effects like equalizer or
visualizer to know the audio session id used by VLC and apply their own
effect.
See android.media.audiofx.AudioEffect.

Signed-off-by: Geoffrey Métais <geoffrey.metais@gmail.com>
(cherry picked from commit 00316e7f)

Generate an audio session id from AudioManager and pass it to libVLC as
a command line argument so that it creates AudioTrack in this session.

Signed-off-by: Geoffrey Métais <geoffrey.metais@gmail.com>
(cherry picked from commit f3316483)