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/test/fdct4x4_test.cc b/test/fdct4x4_test.cc
index 7b195b5..dda6e68 100644
--- a/test/fdct4x4_test.cc
+++ b/test/fdct4x4_test.cc
@@ -21,19 +21,19 @@
 #include "test/register_state_check.h"
 #include "test/transform_test_base.h"
 #include "test/util.h"
-#include "vp10/common/entropy.h"
-#include "vpx/vpx_codec.h"
-#include "vpx/vpx_integer.h"
-#include "vpx_ports/mem.h"
+#include "av1/common/entropy.h"
+#include "aom/vpx_codec.h"
+#include "aom/vpx_integer.h"
+#include "aom_ports/mem.h"
 
-using libvpx_test::ACMRandom;
+using libaom_test::ACMRandom;
 
 namespace {
 typedef void (*FdctFunc)(const int16_t *in, tran_low_t *out, int stride);
 typedef void (*IdctFunc)(const tran_low_t *in, uint8_t *out, int stride);
 typedef void (*IhtFunc)(const tran_low_t *in, uint8_t *out, int stride,
                         int tx_type);
-using libvpx_test::FhtFunc;
+using libaom_test::FhtFunc;
 
 typedef std::tr1::tuple<FdctFunc, IdctFunc, int, vpx_bit_depth_t, int>
     Dct4x4Param;
@@ -89,7 +89,7 @@
 #endif  // HAVE_SSE2
 #endif  // CONFIG_VP9_HIGHBITDEPTH
 
-class Trans4x4DCT : public libvpx_test::TransformTestBase,
+class Trans4x4DCT : public libaom_test::TransformTestBase,
                     public ::testing::TestWithParam<Dct4x4Param> {
  public:
   virtual ~Trans4x4DCT() {}
@@ -104,7 +104,7 @@
     mask_ = (1 << bit_depth_) - 1;
     num_coeffs_ = GET_PARAM(4);
   }
-  virtual void TearDown() { libvpx_test::ClearSystemState(); }
+  virtual void TearDown() { libaom_test::ClearSystemState(); }
 
  protected:
   void RunFwdTxfm(const int16_t *in, tran_low_t *out, int stride) {
@@ -126,7 +126,7 @@
 
 TEST_P(Trans4x4DCT, InvAccuracyCheck) { RunInvAccuracyCheck(1); }
 
-class Trans4x4HT : public libvpx_test::TransformTestBase,
+class Trans4x4HT : public libaom_test::TransformTestBase,
                    public ::testing::TestWithParam<Ht4x4Param> {
  public:
   virtual ~Trans4x4HT() {}
@@ -141,7 +141,7 @@
     mask_ = (1 << bit_depth_) - 1;
     num_coeffs_ = GET_PARAM(4);
   }
-  virtual void TearDown() { libvpx_test::ClearSystemState(); }
+  virtual void TearDown() { libaom_test::ClearSystemState(); }
 
  protected:
   void RunFwdTxfm(const int16_t *in, tran_low_t *out, int stride) {
@@ -164,7 +164,7 @@
 
 TEST_P(Trans4x4HT, InvAccuracyCheck) { RunInvAccuracyCheck(1); }
 
-class Trans4x4WHT : public libvpx_test::TransformTestBase,
+class Trans4x4WHT : public libaom_test::TransformTestBase,
                     public ::testing::TestWithParam<Dct4x4Param> {
  public:
   virtual ~Trans4x4WHT() {}
@@ -179,7 +179,7 @@
     mask_ = (1 << bit_depth_) - 1;
     num_coeffs_ = GET_PARAM(4);
   }
-  virtual void TearDown() { libvpx_test::ClearSystemState(); }
+  virtual void TearDown() { libaom_test::ClearSystemState(); }
 
  protected:
   void RunFwdTxfm(const int16_t *in, tran_low_t *out, int stride) {