Add test coverage for android.hardware.lights.LightsRequest and hide android.hardware.lights.LightsManager.LightsSession constructor.

Add core CTS test coverage for android.hardware.lights.LightsRequest
API getLights() and getLightStates().
Hide android.hardware.lights.LightsManager.LightsSession constructor.

Bug: 183239763
Bug: 183239666
Test: atest FrameworksCoreTests:InputDeviceLightsManagerTest

Change-Id: I41e0272e64a55b631eda387af0645af077d025be

core/api/current.txt

@@ -18992,7 +18992,6 @@ package android.hardware.lights {
   }
 
   public abstract static class LightsManager.LightsSession implements java.lang.AutoCloseable {
-    ctor public LightsManager.LightsSession();
     method public abstract void close();
     method public abstract void requestLights(@NonNull android.hardware.lights.LightsRequest);
   }

core/java/android/hardware/lights/LightsManager.java

@@ -112,6 +112,12 @@ public abstract class LightsManager {
     public abstract static class LightsSession implements AutoCloseable {
         private final IBinder mToken = new Binder();
 
+        /**
+         * @hide to prevent subclassing from outside of the framework
+         */
+        public LightsSession() {
+        }
+
         /**
          * Sends a request to modify the states of multiple lights.
          *

core/tests/coretests/src/android/hardware/input/InputDeviceLightsManagerTest.java

@@ -33,6 +33,7 @@ import static org.mockito.Mockito.when;
 import android.hardware.lights.Light;
 import android.hardware.lights.LightState;
 import android.hardware.lights.LightsManager;
+import android.hardware.lights.LightsRequest;
 import android.os.IBinder;
 import android.platform.test.annotations.Presubmit;
 import android.util.ArrayMap;
@@ -224,4 +225,25 @@ public class InputDeviceLightsManagerTest {
         session.close();
         verify(mIInputManagerMock).closeLightSession(eq(DEVICE_ID), eq(token));
     }
+
+    @Test
+    public void testLightsRequest() throws Exception {
+        Light light = new Light(1 /* id */, 0 /* ordinal */,  Light.LIGHT_TYPE_INPUT_PLAYER_ID);
+        LightState state = new LightState(0xf1);
+        LightsRequest request = new Builder().addLight(light, state).build();
+
+        // Covers the LightsRequest.getLights
+        assertThat(request.getLights().size()).isEqualTo(1);
+        assertThat(request.getLights().get(0)).isEqualTo(1);
+
+        // Covers the LightsRequest.getLightStates
+        assertThat(request.getLightStates().size()).isEqualTo(1);
+        assertThat(request.getLightStates().get(0)).isEqualTo(state);
+
+        // Covers the LightsRequest.getLightsAndStates
+        assertThat(request.getLightsAndStates().size()).isEqualTo(1);
+        assertThat(request.getLightsAndStates().containsKey(1)).isTrue();
+        assertThat(request.getLightsAndStates().get(1)).isEqualTo(state);
+    }
+
 }