fix [2912927] Can't get NV_draw_path extension to work

there was a problem with eglGetProcAddress() which would only work with
GLES 1.x contexts.

Change-Id: I4747671cbf7ed469bb471a377f1d6f36550d24df
diff --git a/opengl/libs/EGL/egl.cpp b/opengl/libs/EGL/egl.cpp
index 315a2a36..94b60a1 100644
--- a/opengl/libs/EGL/egl.cpp
+++ b/opengl/libs/EGL/egl.cpp
@@ -1409,7 +1409,9 @@
                 egl_connection_t* const cnx = &gEGLImpl[i];
                 if (cnx->dso && cnx->egl.eglGetProcAddress) {
                     found = true;
-                    cnx->hooks[i]->ext.extensions[slot] =
+                    // Extensions are independent of the bound context
+                    cnx->hooks[GLESv1_INDEX]->ext.extensions[slot] =
+                    cnx->hooks[GLESv2_INDEX]->ext.extensions[slot] =
                             cnx->egl.eglGetProcAddress(procname);
                 }
             }
@@ -1421,7 +1423,6 @@
         }
 
     pthread_mutex_unlock(&gInitDriverMutex);
-
     return addr;
 }