Migrate frameworks/base/packages/MtpDocumentsProvider/perf_tests to androidx.test

See go/jetpack-test-android-migration

Test: make checkbuild
Change-Id: I17fddb7df14bfb362155bbbd7d177dfac07f8a1b

packages/MtpDocumentsProvider/perf_tests/Android.mk

@@ -3,7 +3,7 @@ include $(CLEAR_VARS)
 
 LOCAL_MODULE_TAGS := tests
 LOCAL_SRC_FILES := $(call all-java-files-under, src)
-LOCAL_STATIC_JAVA_LIBRARIES := android-support-test
+LOCAL_STATIC_JAVA_LIBRARIES := androidx.test.rules
 LOCAL_PACKAGE_NAME := MtpDocumentsProviderPerfTests
 LOCAL_PRIVATE_PLATFORM_APIS := true
 LOCAL_INSTRUMENTATION_FOR := MtpDocumentsProvider

packages/MtpDocumentsProvider/perf_tests/AndroidManifest.xml

@@ -7,7 +7,7 @@
         <uses-library android:name="android.test.runner" />
     </application>
 
-    <instrumentation android:name="android.support.test.runner.AndroidJUnitRunner"
+    <instrumentation android:name="androidx.test.runner.AndroidJUnitRunner"
         android:targetPackage="com.android.mtp"
         android:label="Performance tests for MtpDocumentsProvider." />
 </manifest>

packages/MtpDocumentsProvider/perf_tests/src/com/android/mtp/AppFusePerfTest.java

@@ -23,17 +23,15 @@ import android.os.ParcelFileDescriptor;
 import android.os.ProxyFileDescriptorCallback;
 import android.os.storage.StorageManager;
 import android.system.ErrnoException;
-import android.system.Os;
-import android.support.test.filters.LargeTest;
-import android.support.test.InstrumentationRegistry;
-import java.io.File;
-import java.io.FileNotFoundException;
-import java.io.IOException;
-import java.util.Arrays;
-import libcore.io.IoUtils;
+
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.LargeTest;
+
+import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;
-import org.junit.Test;
+
+import java.io.IOException;
 
 @RunWith(JUnit4.class)
 public class AppFusePerfTest {