Add test api for CTS to test resource lost event

bug: 152343262
Test: Manual
Change-Id: I5660cea3e57771c8a09f57ed88723064bb592c30

api/test-current.txt

@@ -1513,6 +1513,10 @@ package android.media {
     field public static final String SAMPLE_RATE = "android.media.audiotrack.sampleRate";
   }
 
+  public final class MediaCas implements java.lang.AutoCloseable {
+    method public void forceResourceLost();
+  }
+
   public static final class MediaCodecInfo.VideoCapabilities.PerformancePoint {
     ctor public MediaCodecInfo.VideoCapabilities.PerformancePoint(int, int, int, int, @NonNull android.util.Size);
     ctor public MediaCodecInfo.VideoCapabilities.PerformancePoint(@NonNull android.media.MediaCodecInfo.VideoCapabilities.PerformancePoint, @NonNull android.util.Size);

media/java/android/media/MediaCas.java

@@ -19,6 +19,7 @@ package android.media;
 import android.annotation.IntDef;
 import android.annotation.NonNull;
 import android.annotation.Nullable;
+import android.annotation.TestApi;
 import android.content.Context;
 import android.hardware.cas.V1_0.HidlCasPluginDescriptor;
 import android.hardware.cas.V1_0.ICas;
@@ -1076,6 +1077,17 @@ public final class MediaCas implements AutoCloseable {
         }
     }
 
+    /**
+     * Release Cas session. This is primarily used as a test API for CTS.
+     * @hide
+     */
+    @TestApi
+    public void forceResourceLost() {
+        if (mResourceListener != null) {
+            mResourceListener.onReclaimResources();
+        }
+    }
+
     @Override
     public void close() {
         if (mICas != null) {