Revert "Add getAttributionSource() to mocked context."

Revert submission 1982887-renouncePermissions

Reason for revert: '@code' in Javadoc is making the build failed.
Reverted Changes:
I9035b49cf:Add getAttributionSource() to mocked context.
Id30f9f0f6:Adding tests for renounce permissions ipc calls.
I49d5cc838:Adding renounce permissions logic to ipc calls.

Bug: 221456655

Change-Id: I3ac347a15246197bde9ab8c22bb59919e284c5c6
diff --git a/tests/src/com/android/TestContext.java b/tests/src/com/android/TestContext.java
index 7edbed9..5456469 100644
--- a/tests/src/com/android/TestContext.java
+++ b/tests/src/com/android/TestContext.java
@@ -19,7 +19,6 @@
 import static org.mockito.ArgumentMatchers.anyInt;
 import static org.mockito.Mockito.doAnswer;
 
-import android.content.AttributionSource;
 import android.content.BroadcastReceiver;
 import android.content.ContentResolver;
 import android.content.Context;
@@ -30,7 +29,6 @@
 import android.os.Handler;
 import android.os.Looper;
 import android.os.PersistableBundle;
-import android.os.Process;
 import android.telecom.TelecomManager;
 import android.telephony.CarrierConfigManager;
 import android.telephony.SubscriptionManager;
@@ -98,11 +96,6 @@
     }
 
     @Override
-    public AttributionSource getAttributionSource() {
-        return new AttributionSource(Process.myUid(), getPackageName(), "");
-    }
-
-    @Override
     public Intent registerReceiver(BroadcastReceiver receiver, IntentFilter filter) {
         return null;
     }