Merge "Make emergency button right size" into lmp-mr1-dev

<!-- Emergency call button.

     Text is set by CryptKeeper.updateEmergencyCallButtonState() -->

<Button

<LinearLayout

    xmlns:android="http://schemas.android.com/apk/res/android"

    android:layout_width="match_parent"

    android:layout_height="0dp"

    android:layout_weight="1"

    android:orientation="vertical"

    android:gravity="bottom">

    <Button

        android:id="@+id/emergencyCallButton"

        android:layout_width="wrap_content"

    android:layout_height="0dp"

        android:layout_height="wrap_content"

        android:layout_gravity="center_horizontal"

        android:textSize="14sp"

        android:fontFamily="sans-serif"

        android:textColor="#FFFFFF"

    android:layout_weight="1"

    android:gravity="bottom"

        style="?android:attr/borderlessButtonStyle" />

</LinearLayout>