Remove static/default interface method usage.

webrtc/sdk/android/src/java/org/webrtc/EglBase10.java

Index: webrtc/sdk/android/src/java/org/webrtc/EglBase10.java
diff --git a/webrtc/sdk/android/src/java/org/webrtc/EglBase10.java b/webrtc/sdk/android/src/java/org/webrtc/EglBase10.java
index 70200fa6d1023bdc750e163b2291fb2a7a944ce3..8f1c5c68154dabc221c65f37bda828bdd1181370 100644
--- a/webrtc/sdk/android/src/java/org/webrtc/EglBase10.java
+++ b/webrtc/sdk/android/src/java/org/webrtc/EglBase10.java
@@ -26,7 +26,7 @@ import javax.microedition.khronos.egl.EGLSurface;
  * Holds EGL state and utility methods for handling an egl 1.0 EGLContext, an EGLDisplay,
  * and an EGLSurface.
  */
-class EglBase10 implements EglBase {
+class EglBase10 extends EglBase {
   // This constant is taken from EGL14.EGL_CONTEXT_CLIENT_VERSION.
   private static final int EGL_CONTEXT_CLIENT_VERSION = 0x3098;