Merge "Remove unused utility API."

import android.os.Binder;

import android.os.Bundle;

import android.os.PersistableBundle;

import android.os.RemoteException;

import android.os.SystemProperties;

import android.telephony.TelephonyManager;

        return cur == null ? Collections.emptyList() : cur;

    }

    /** Throws a {@link RuntimeException} that wrapps the {@link RemoteException}. */

    public static RuntimeException rethrowAsRuntimeException(RemoteException remoteException) {

        throw new RuntimeException(remoteException);

    }

    /**

     * Returns a {@link ComponentInfo} from the {@link ResolveInfo},

     * or throws an {@link IllegalStateException} if not available.