Port renaming changes from AOMedia

Cherry-Picked the following commits:
0defd8f Changed "WebM" to "AOMedia" & "webm" to "aomedia"
54e6676 Replace "VPx" by "AVx"
5082a36 Change "Vpx" to "Avx"
7df44f1 Replace "Vp9" w/ "Av1"
967f722 Remove kVp9CodecId
828f30c Change "Vp8" to "AOM"
030b5ff AUTHORS regenerated
2524cae Add ref-mv experimental flag
016762b Change copyright notice to AOMedia form
81e5526 Replace vp9 w/ av1
9b94565 Add missing files
fa8ca9f Change "vp9" to "av1"
ec838b7  Convert "vp8" to "aom"
80edfa0 Change "VP9" to "AV1"
d1a11fb Change "vp8" to "aom"
7b58251 Point to WebM test data
dd1a5c8 Replace "VP8" with "AOM"
ff00fc0 Change "VPX" to "AOM"
01dee0b Change "vp10" to "av1" in source code
cebe6f0 Convert "vpx" to "aom"
17b0567 rename vp10*.mk to av1_*.mk
fe5f8a8 rename files vp10_* to av1_*

Change-Id: I6fc3d18eb11fc171e46140c836ad5339cf6c9419
diff --git a/av1/common/scan.h b/av1/common/scan.h
index d2d9f35..cba92e7 100644
--- a/av1/common/scan.h
+++ b/av1/common/scan.h
@@ -8,10 +8,10 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#ifndef VP10_COMMON_SCAN_H_
-#define VP10_COMMON_SCAN_H_
+#ifndef AV1_COMMON_SCAN_H_
+#define AV1_COMMON_SCAN_H_
 
-#include "aom/vpx_integer.h"
+#include "aom/aom_integer.h"
 #include "aom_ports/mem.h"
 
 #include "av1/common/enums.h"
@@ -29,8 +29,8 @@
   const int16_t *neighbors;
 } scan_order;
 
-extern const scan_order vp10_default_scan_orders[TX_SIZES];
-extern const scan_order vp10_intra_scan_orders[TX_SIZES][TX_TYPES];
+extern const scan_order av1_default_scan_orders[TX_SIZES];
+extern const scan_order av1_intra_scan_orders[TX_SIZES][TX_TYPES];
 
 static INLINE int get_coef_context(const int16_t *neighbors,
                                    const uint8_t *token_cache, int c) {
@@ -41,26 +41,26 @@
 
 static INLINE const scan_order *get_intra_scan(TX_SIZE tx_size,
                                                TX_TYPE tx_type) {
-  return &vp10_intra_scan_orders[tx_size][tx_type];
+  return &av1_intra_scan_orders[tx_size][tx_type];
 }
 
 #if CONFIG_EXT_TX
-extern const scan_order vp10_inter_scan_orders[TX_SIZES_ALL][TX_TYPES];
+extern const scan_order av1_inter_scan_orders[TX_SIZES_ALL][TX_TYPES];
 
 static INLINE const scan_order *get_inter_scan(TX_SIZE tx_size,
                                                TX_TYPE tx_type) {
-  return &vp10_inter_scan_orders[tx_size][tx_type];
+  return &av1_inter_scan_orders[tx_size][tx_type];
 }
 #endif  // CONFIG_EXT_TX
 
 static INLINE const scan_order *get_scan(TX_SIZE tx_size, TX_TYPE tx_type,
                                          int is_inter) {
 #if CONFIG_EXT_TX
-  return is_inter ? &vp10_inter_scan_orders[tx_size][tx_type]
-                  : &vp10_intra_scan_orders[tx_size][tx_type];
+  return is_inter ? &av1_inter_scan_orders[tx_size][tx_type]
+                  : &av1_intra_scan_orders[tx_size][tx_type];
 #else
   (void)is_inter;
-  return &vp10_intra_scan_orders[tx_size][tx_type];
+  return &av1_intra_scan_orders[tx_size][tx_type];
 #endif  // CONFIG_EXT_TX
 }
 
@@ -68,4 +68,4 @@
 }  // extern "C"
 #endif
 
-#endif  // VP10_COMMON_SCAN_H_
+#endif  // AV1_COMMON_SCAN_H_