Port folder renaming changes from AOM

Manually cherry-picked commits:
ceef058 libvpx->libaom part2
3d26d91 libvpx -> libaom
cfea7dd vp10/ -> av1/
3a8eff7 Fix a build issue for a test
bf4202e Rename vpx to aom

Change-Id: I1b0eb5a40796e3aaf41c58984b4229a439a597dc
diff --git a/av1/encoder/encodemv.h b/av1/encoder/encodemv.h
new file mode 100644
index 0000000..6cb57c2
--- /dev/null
+++ b/av1/encoder/encodemv.h
@@ -0,0 +1,40 @@
+/*
+ *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#ifndef VP10_ENCODER_ENCODEMV_H_
+#define VP10_ENCODER_ENCODEMV_H_
+
+#include "av1/encoder/encoder.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void vp10_entropy_mv_init(void);
+
+void vp10_write_nmv_probs(VP10_COMMON *cm, int usehp, vp10_writer *w,
+                          nmv_context_counts *const counts);
+
+void vp10_encode_mv(VP10_COMP *cpi, vp10_writer *w, const MV *mv, const MV *ref,
+#if CONFIG_REF_MV
+                    int is_compound,
+#endif
+                    const nmv_context *mvctx, int usehp);
+
+void vp10_build_nmv_cost_table(int *mvjoint, int *mvcost[2],
+                               const nmv_context *mvctx, int usehp);
+
+void vp10_update_mv_count(ThreadData *td);
+
+#ifdef __cplusplus
+}  // extern "C"
+#endif
+
+#endif  // VP10_ENCODER_ENCODEMV_H_