Android usa OkHttp internamente?

Questa è una traccia dello stack che ottengo quando si esegue un’app Android che ho ereditato di recente. Non usiamo OkHttp come dipendenza esplicita e il com.android.okhttp nella traccia mi fa pensare che AOSP stia usando OkHttp ora internamente?

 java.lang.Throwable: Explicit termination method 'close' not called E at dalvik.system.CloseGuard.open(CloseGuard.java:184) E at com.android.org.conscrypt.OpenSSLSocketImpl.startHandshake(OpenSSLSocketImpl.java:278) E at com.android.okhttp.Connection.upgradeToTls(Connection.java:146) E at com.android.okhttp.Connection.connect(Connection.java:107) E at com.android.okhttp.internal.http.HttpEngine.connect(HttpEngine.java:294) E at com.android.okhttp.internal.http.HttpEngine.sendSocketRequest(HttpEngine.java:255) E at com.android.okhttp.internal.http.HttpEngine.sendRequest(HttpEngine.java:206) E at com.android.okhttp.internal.http.HttpURLConnectionImpl.execute(HttpURLConnectionImpl.java:345) E at com.android.okhttp.internal.http.HttpURLConnectionImpl.getResponse(HttpURLConnectionImpl.java:296) E at com.android.okhttp.internal.http.HttpURLConnectionImpl.getHeaderField(HttpURLConnectionImpl.java:143) E at java.net.URLConnection.getHeaderFieldInt(URLConnection.java:544) E at java.net.URLConnection.getContentLength(URLConnection.java:316) E at com.android.okhttp.internal.http.HttpsURLConnectionImpl.getContentLength(HttpsURLConnectionImpl.java:182)