Replace deprecated AndroidJUnit4.

AndroidJUnit4 from `androidx.test.runner` is deprecated, use
`androidx.test.ext.junit.runners.AndroidJUnit4` instead. See https://
developer.android.com/reference/androidx/test/runner/AndroidJUnit4 for
more details.

Bug: 354063239
Test: atest FrameworksCoreTests --\
 --module-arg FrameworksCoreTests:include-filter:android.hardware.display \
 --module-arg FrameworksCoreTests:instrumentation-arg:annotation:=android.platform.test.annotations.Presubmit \
 --module-arg FrameworksCoreTests:instrumentation-arg:notAnnotation:=android.support.test.filters.FlakyTest,androidx.test.filters.FlakyTest
Flag: TEST_ONLY
Change-Id: I11bbdeef3eeaa89c3645a6059e0a29ba68d180bf
diff --git a/core/tests/coretests/src/android/hardware/display/AmbientBrightnessDayStatsTest.java b/core/tests/coretests/src/android/hardware/display/AmbientBrightnessDayStatsTest.java
index 0a25bd7..244024d 100644
--- a/core/tests/coretests/src/android/hardware/display/AmbientBrightnessDayStatsTest.java
+++ b/core/tests/coretests/src/android/hardware/display/AmbientBrightnessDayStatsTest.java
@@ -24,8 +24,8 @@
 
 import android.os.Parcel;
 
+import androidx.test.ext.junit.runners.AndroidJUnit4;
 import androidx.test.filters.SmallTest;
-import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Test;
 import org.junit.runner.RunWith;
diff --git a/core/tests/coretests/src/android/hardware/display/BrightnessConfigurationTest.java b/core/tests/coretests/src/android/hardware/display/BrightnessConfigurationTest.java
index 1c7ab74..9f12e51 100644
--- a/core/tests/coretests/src/android/hardware/display/BrightnessConfigurationTest.java
+++ b/core/tests/coretests/src/android/hardware/display/BrightnessConfigurationTest.java
@@ -25,8 +25,8 @@
 import android.util.Pair;
 import android.util.Xml;
 
+import androidx.test.ext.junit.runners.AndroidJUnit4;
 import androidx.test.filters.SmallTest;
-import androidx.test.runner.AndroidJUnit4;
 
 import com.android.modules.utils.TypedXmlPullParser;
 import com.android.modules.utils.TypedXmlSerializer;
diff --git a/core/tests/coretests/src/android/hardware/display/DisplayManagerGlobalTest.java b/core/tests/coretests/src/android/hardware/display/DisplayManagerGlobalTest.java
index 969ae8e..5a0dacb 100644
--- a/core/tests/coretests/src/android/hardware/display/DisplayManagerGlobalTest.java
+++ b/core/tests/coretests/src/android/hardware/display/DisplayManagerGlobalTest.java
@@ -31,8 +31,8 @@
 import android.view.DisplayInfo;
 
 import androidx.test.InstrumentationRegistry;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
 import androidx.test.filters.SmallTest;
-import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Before;
 import org.junit.Test;