Upgrade OkHttp to 3.12.11.

PiperOrigin-RevId: 310114401

RELEASENOTES.md

@@ -22,6 +22,7 @@
         ([#6950](https://github.com/google/ExoPlayer/pull/6950)).
 *   AV1 extension: Add a heuristic to determine the default number of threads
     used for AV1 playback using the extension.
+*   OkHttp extension: Upgrade OkHttp dependency to 3.12.11.
 *   DownloadService: Fix "Not allowed to start service" `IllegalStateException`.
 
 ### 2.11.4 (2020-04-08) ###

extensions/okhttp/build.gradle

@@ -41,7 +41,7 @@ dependencies {
     // https://cashapp.github.io/2019-02-05/okhttp-3-13-requires-android-5
     // Since OkHttp is distributed as a jar rather than an aar, Gradle won't
     // stop us from making this mistake!
-    api 'com.squareup.okhttp3:okhttp:3.12.8'
+    api 'com.squareup.okhttp3:okhttp:3.12.11'
 }
 
 ext {