Battery text mode: fix MSim crash

            <include layout="@layout/msim_system_icons" />

            <com.android.systemui.BatteryLevelTextView android:id="@+id/battery_level_text"

                android:layout_width="wrap_content"

                android:layout_height="wrap_content"

                android:layout_gravity="center_vertical"

                android:layout_marginStart="@dimen/header_battery_margin_keyguard"

                android:textColor="#ffffff"

                android:visibility="gone"

                android:textSize="@dimen/battery_level_text_size" />

            <com.android.systemui.statusbar.policy.Clock

                android:id="@+id/clock"

                android:textAppearance="@style/TextAppearance.StatusBar.Clock"