[Android] Add proguard rules for kotlinx

[Geoffrey Métais]

vlc-android | branch: master | Geoffrey Métais <geoffrey.metais at gmail.com> | Tue Jan 15 18:20:37 2019 +0100| [ac255db338f870b1b7d6c777335a4372b3809034] | committer: Geoffrey Métais

Add proguard rules for kotlinx

> https://code.videolan.org/videolan/vlc-android/commit/ac255db338f870b1b7d6c777335a4372b3809034
---

 vlc-android/proguard.cfg | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/vlc-android/proguard.cfg b/vlc-android/proguard.cfg
index b645f4d2b..e44a81f8f 100644
--- a/vlc-android/proguard.cfg
+++ b/vlc-android/proguard.cfg
@@ -70,3 +70,6 @@
 
 # Kotlinx
 -keep class kotlinx.coroutines.internal.MainDispatcherFactory { *; }
+-keep class kotlinx.coroutines.android.AndroidExceptionPreHandler { *; }
+-keep class kotlinx.coroutines.android.AndroidDispatcherFactory { *; }
+