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/lpf_8_test.cc b/test/lpf_8_test.cc
index 8aaab23..3088b4a 100644
--- a/test/lpf_8_test.cc
+++ b/test/lpf_8_test.cc
@@ -20,11 +20,11 @@
 #include "test/clear_system_state.h"
 #include "test/register_state_check.h"
 #include "test/util.h"
-#include "vp10/common/entropy.h"
-#include "vp10/common/loopfilter.h"
-#include "vpx/vpx_integer.h"
+#include "av1/common/entropy.h"
+#include "av1/common/loopfilter.h"
+#include "aom/vpx_integer.h"
 
-using libvpx_test::ACMRandom;
+using libaom_test::ACMRandom;
 
 namespace {
 // Horizontally and Vertically need 32x32: 8  Coeffs preceeding filtered section
@@ -63,7 +63,7 @@
     mask_ = (1 << bit_depth_) - 1;
   }
 
-  virtual void TearDown() { libvpx_test::ClearSystemState(); }
+  virtual void TearDown() { libaom_test::ClearSystemState(); }
 
  protected:
   int bit_depth_;
@@ -82,7 +82,7 @@
     mask_ = (1 << bit_depth_) - 1;
   }
 
-  virtual void TearDown() { libvpx_test::ClearSystemState(); }
+  virtual void TearDown() { libaom_test::ClearSystemState(); }
 
  protected:
   int bit_depth_;