Switch CTS to std::unique_ptr.

Bug: http://b/22403888
Change-Id: Ia5eca3b1574b2b87202b876533e01540434e1009
diff --git a/suite/audio_quality/test/BufferTest.cpp b/suite/audio_quality/test/BufferTest.cpp
index 2c7b20e..5e315977 100644
--- a/suite/audio_quality/test/BufferTest.cpp
+++ b/suite/audio_quality/test/BufferTest.cpp
@@ -17,7 +17,7 @@
 #include <stdint.h>
 #include <gtest/gtest.h>
 
-#include <UniquePtr.h>
+#include <memory>
 
 #include "audio/Buffer.h"
 
@@ -38,7 +38,7 @@
 TEST_F(BufferTest, saveLoadStereoTest) {
     const int BUFFER_SIZE = 32;
 
-    UniquePtr<Buffer> buffer(new Buffer(BUFFER_SIZE, BUFFER_SIZE, true));
+    std::unique_ptr<Buffer> buffer(new Buffer(BUFFER_SIZE, BUFFER_SIZE, true));
     ASSERT_TRUE(buffer.get() != NULL);
     int16_t* data = (int16_t*)buffer->getData();
     ASSERT_TRUE(data != NULL);
@@ -49,7 +49,7 @@
     android::String8 file("/tmp/cts_audio_temp");
     ASSERT_TRUE(buffer->saveToFile(file));
     file.append(".r2s");
-    UniquePtr<Buffer> bufferRead(Buffer::loadFromFile(file));
+    std::unique_ptr<Buffer> bufferRead(Buffer::loadFromFile(file));
     ASSERT_TRUE(bufferRead.get() != NULL);
     ASSERT_TRUE(bufferRead->getSize() == (size_t)BUFFER_SIZE);
     ASSERT_TRUE(bufferRead->isStereo());
@@ -63,14 +63,14 @@
 TEST_F(BufferTest, monoLTest) {
     const int BUFFER_SIZE = 8;
 
-    UniquePtr<Buffer> buffer(new Buffer(BUFFER_SIZE, BUFFER_SIZE, true));
+    std::unique_ptr<Buffer> buffer(new Buffer(BUFFER_SIZE, BUFFER_SIZE, true));
     ASSERT_TRUE(buffer.get() != NULL);
     int16_t* data = (int16_t*)buffer->getData();
     ASSERT_TRUE(data != NULL);
     for (int i = 0; i < BUFFER_SIZE/2; i++) {
         data[i] = i;
     }
-    UniquePtr<Buffer> bufferl(new Buffer(BUFFER_SIZE/2, BUFFER_SIZE/2, false));
+    std::unique_ptr<Buffer> bufferl(new Buffer(BUFFER_SIZE/2, BUFFER_SIZE/2, false));
     ASSERT_TRUE(bufferl.get() != NULL);
     data = (int16_t*)bufferl->getData();
     ASSERT_TRUE(data != NULL);