Blacklist Nexus 6 from hardware AEC

Remove all blacklisting from library

// FREEBIE

build.gradle

@@ -60,7 +60,7 @@ dependencies {
     compile 'org.whispersystems:jobmanager:1.0.2'
     compile 'org.whispersystems:libpastelog:1.0.7'
     compile 'org.whispersystems:signal-service-android:2.5.3'
-    compile 'org.whispersystems:webrtc-android:M57'
+    compile 'org.whispersystems:webrtc-android:M57-S2'
 
     compile "me.leolin:ShortcutBadger:1.10-WS1"
     compile 'se.emilsjolander:stickylistheaders:2.7.0'
@@ -130,7 +130,7 @@ dependencyVerification {
         'org.whispersystems:jobmanager:506f679fc2fcf7bb6d10f00f41d6f6ea0abf75c70dc95b913398661ad538a181',
         'org.whispersystems:libpastelog:bb331d9a98240fc139101128ba836c1edec3c40e000597cdbb29ebf4cbf34d88',
         'org.whispersystems:signal-service-android:28a5368cb1336106ba7732aeaf0c5a33ef8fb22500c41f38ad8147375f59073b',
-        'org.whispersystems:webrtc-android:acf78f6148c2e946b846cc5395887079ba37ddb892bf0d993fed18f1b9f521f8',
+        'org.whispersystems:webrtc-android:9d11e39d4b3823713e5b1486226e0ce09f989d6f47f52da1815e406c186701d5',
         'me.leolin:ShortcutBadger:e8e39df8a59d8211a30f40b1eeab21b3fa57b3f3e0f03abb995f82d66588778c',
         'se.emilsjolander:stickylistheaders:a08ca948aa6b220f09d82f16bbbac395f6b78897e9eeac6a9f0b0ba755928eeb',
         'com.jpardogo.materialtabstrip:library:c6ef812fba4f74be7dc4a905faa4c2908cba261a94c13d4f96d5e67e4aad4aaa',
@@ -186,7 +186,6 @@ dependencyVerification {
     ]
 }
 
-
 android {
     compileSdkVersion 25
     buildToolsVersion '25.0.0'

src/org/thoughtcrime/securesms/ApplicationContext.java

@@ -191,6 +191,7 @@ public class ApplicationContext extends MultiDexApplication implements Dependenc
       add("g3_kt_kr"); // LG G3 #6241
       add("SM-G930F"); // Samsung Galaxy S7 #6241
       add("Xperia SP"); // Sony Xperia SP #6241
+      add("Nexus 6"); // Nexus 6
     }};
 
     Set<String> OPEN_SL_ES_BLACKLIST = new HashSet<String>() {{