[YouTube] update extractor to fix YouTube comments not showing

2. Fix build due to jcentre shutdown, use forked versions of ExoPlayer and groupie libraries
3. update youtube regex in extractor to fetch webm audio streams (a regression introduced in earlier release)

app/build.gradle

@@ -50,12 +50,17 @@ android {
         // debug build. This seems to be a Gradle bug, therefore
         // TODO: update Gradle version
         release {
+            if (System.properties.containsKey('packageSuffix')) {
+                applicationIdSuffix System.getProperty('packageSuffix')
+                resValue "string", "app_name", "NewPipe " + System.getProperty('packageSuffix')
+                archivesBaseName = 'NewPipe_' + System.getProperty('packageSuffix')
+            }
+            applicationIdSuffix ".Revo"
+            resValue "string", "app_name", "NewPipe " + "Revo"
+            archivesBaseName = 'app'
             minifyEnabled true
             shrinkResources true // could be disabled to fix F-Droid's reproducible build
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
-            archivesBaseName = 'app'
-            applicationIdSuffix ".Revo"
-            resValue "string", "app_name", "NewPipe " + "Revo"
         }
     }
 
@@ -96,10 +101,10 @@ ext {
     icepickVersion = '3.2.0'
     stethoVersion = '1.5.1'
     leakCanaryVersion = '2.5'
-    exoPlayerVersion = '2.11.8'
+    exoPlayerVersion = 'r2.11.8'
     androidxLifecycleVersion = '2.2.0'
     androidxRoomVersion = '2.2.5'
-    groupieVersion = '2.8.1'
+    groupieVersion = '2.9.1'
     markwonVersion = '4.6.0'
 	googleAutoServiceVersion = '1.0-rc7'
 }
@@ -167,7 +172,7 @@ dependencies {
     // name and the commit hash with the commit hash of the (pushed) commit you want to test
     // This works thanks to JitPack: https://jitpack.io/
     implementation 'com.github.TeamNewPipe:nanojson:1d9e1aea9049fc9f85e68b43ba39fe7be1c1f751'
-    implementation 'com.github.ShareASmile:NewPipeExtractor:8787d1879dc7f1f8a2145f282ef16ee1103bbe7e'
+    implementation 'com.github.ShareASmile.NewPipeExtractor:NewPipeExtractor:v0.22.7.3'
 
 /** Third-party libraries **/
     // Instance state boilerplate elimination
@@ -182,16 +187,16 @@ dependencies {
     implementation "com.squareup.okhttp3:okhttp:3.12.13"
 
     // Media player
-    implementation "com.google.android.exoplayer:exoplayer:${exoPlayerVersion}"
-    implementation "com.google.android.exoplayer:extension-mediasession:${exoPlayerVersion}"
+    implementation "com.github.ShareASmile.ExoPlayer:library:${exoPlayerVersion}"
+    implementation "com.github.ShareASmile.ExoPlayer:extension-mediasession:${exoPlayerVersion}"
 
     // Metadata generator for service descriptors
     compileOnly "com.google.auto.service:auto-service-annotations:${googleAutoServiceVersion}"
     kapt "com.google.auto.service:auto-service:${googleAutoServiceVersion}"
 
     // Manager for complex RecyclerView layouts
-    implementation "com.xwray:groupie:${groupieVersion}"
-    implementation "com.xwray:groupie-kotlin-android-extensions:${groupieVersion}"
+    implementation "com.github.ShareASmile.groupie:groupie:${groupieVersion}"
+    implementation "com.github.ShareASmile.groupie:groupie-kotlin-android-extensions:${groupieVersion}"
 
     // Circular ImageView
     implementation "de.hdodenhof:circleimageview:3.1.0"