Update NewPipe Extractor and add new proguard rules

New rules are required since Rhino and Rhino Engine 1.8.0

Author: TobiGr

app/proguard-rules.pro

@@ -5,10 +5,17 @@
 
 ## Rules for NewPipeExtractor
 -keep class org.schabi.newpipe.extractor.timeago.patterns.** { *; }
+## Rules for Rhino and Rhino Engine
+-keep class org.mozilla.javascript.* { *; }
 -keep class org.mozilla.javascript.** { *; }
+-keep class org.mozilla.javascript.engine.** { *; }
 -keep class org.mozilla.classfile.ClassFileWriter
 -dontwarn org.mozilla.javascript.JavaToJSONConverters
 -dontwarn org.mozilla.javascript.tools.**
+-keep class javax.script.** { *; }
+-dontwarn javax.script.**
+-keep class jdk.dynalink.** { *; }
+-dontwarn jdk.dynalink.**
 
 ## Rules for ExoPlayer
 -keep class com.google.android.exoplayer2.** { *; }