Add lock/unlockCanvas to TextureView

With this change, TextureView has feature parity with SurfaceView.

Change-Id: I4ef2da33420fc9590f868636ae72a5a6de61965b
diff --git a/core/jni/android_view_GLES20Canvas.cpp b/core/jni/android_view_GLES20Canvas.cpp
index 681f43f..e201964 100644
--- a/core/jni/android_view_GLES20Canvas.cpp
+++ b/core/jni/android_view_GLES20Canvas.cpp
@@ -859,10 +859,8 @@
 
 const char* const kActivityThreadPathName = "android/app/ActivityThread";
 
-int register_android_app_ActivityThread(JNIEnv* env)
-{
-    return AndroidRuntime::registerNativeMethods(
-            env, kActivityThreadPathName,
+int register_android_app_ActivityThread(JNIEnv* env) {
+    return AndroidRuntime::registerNativeMethods(env, kActivityThreadPathName,
             gActivityThreadMethods, NELEM(gActivityThreadMethods));
 }