Fix tile independency unit test

BUG=aomedia:614

Change-Id: I8aab46954af9d6c6d31aba0bd96d6eb9f181b84c
diff --git a/test/decode_perf_test.cc b/test/decode_perf_test.cc
index 26473ef..ff750bd 100644
--- a/test/decode_perf_test.cc
+++ b/test/decode_perf_test.cc
@@ -63,6 +63,7 @@
 
   aom_codec_dec_cfg_t cfg = aom_codec_dec_cfg_t();
   cfg.threads = threads;
+  cfg.allow_lowbitdepth = CONFIG_LOWBITDEPTH;
   libaom_test::AV1Decoder decoder(cfg, 0);
 
   aom_usec_timer t;
@@ -211,6 +212,7 @@
 
   aom_codec_dec_cfg_t cfg = aom_codec_dec_cfg_t();
   cfg.threads = threads;
+  cfg.allow_lowbitdepth = CONFIG_LOWBITDEPTH;
   libaom_test::AV1Decoder decoder(cfg, 0);
 
   aom_usec_timer t;
diff --git a/test/ethread_test.cc b/test/ethread_test.cc
index ebdefef..6c94196 100644
--- a/test/ethread_test.cc
+++ b/test/ethread_test.cc
@@ -30,6 +30,7 @@
     aom_codec_dec_cfg_t cfg = aom_codec_dec_cfg_t();
     cfg.w = 1280;
     cfg.h = 720;
+    cfg.allow_lowbitdepth = CONFIG_LOWBITDEPTH;
     decoder_ = codec_->CreateDecoder(cfg, 0);
 #if CONFIG_AV1 && CONFIG_EXT_TILE
     if (decoder_->IsAV1()) {
diff --git a/test/tile_independence_test.cc b/test/tile_independence_test.cc
index d28cb1f..9d1b6f7 100644
--- a/test/tile_independence_test.cc
+++ b/test/tile_independence_test.cc
@@ -33,6 +33,7 @@
     cfg.w = 704;
     cfg.h = 144;
     cfg.threads = 1;
+    cfg.allow_lowbitdepth = CONFIG_LOWBITDEPTH;
     fw_dec_ = codec_->CreateDecoder(cfg, 0);
     inv_dec_ = codec_->CreateDecoder(cfg, 0);
     inv_dec_->Control(AV1_INVERT_TILE_DECODE_ORDER, 1);
diff --git a/test/user_priv_test.cc b/test/user_priv_test.cc
index 3052b27..63db43d 100644
--- a/test/user_priv_test.cc
+++ b/test/user_priv_test.cc
@@ -49,6 +49,7 @@
   video.Init();
 
   aom_codec_dec_cfg_t cfg = aom_codec_dec_cfg_t();
+  cfg.allow_lowbitdepth = CONFIG_LOWBITDEPTH;
   libaom_test::AV1Decoder decoder(cfg, 0);
 
   libaom_test::MD5 md5;