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/minmax_test.cc b/test/minmax_test.cc
index e51c9fd..026f79a 100644
--- a/test/minmax_test.cc
+++ b/test/minmax_test.cc
@@ -14,14 +14,14 @@
 #include "third_party/googletest/src/include/gtest/gtest.h"
 
 #include "./vpx_dsp_rtcd.h"
-#include "vpx/vpx_integer.h"
+#include "aom/vpx_integer.h"
 
 #include "test/acm_random.h"
 #include "test/register_state_check.h"
 
 namespace {
 
-using ::libvpx_test::ACMRandom;
+using ::libaom_test::ACMRandom;
 
 typedef void (*MinMaxFunc)(const uint8_t *a, int a_stride, const uint8_t *b,
                            int b_stride, int *min, int *max);