Merge cherrypicks of [19101099] into tm-qpr1-release.

    </LinearLayout>

    <com.android.systemui.statusbar.KeyguardAffordanceView

        android:id="@+id/camera_button"

        android:layout_height="@dimen/keyguard_affordance_height"

        android:layout_width="@dimen/keyguard_affordance_width"

        android:layout_gravity="bottom|end"

        android:src="@drawable/ic_camera_alt_24dp"

        android:scaleType="center"

        android:contentDescription="@string/accessibility_camera_button"

        android:tint="?attr/wallpaperTextColor" />

    <com.android.systemui.statusbar.KeyguardAffordanceView

        android:id="@+id/left_button"

        android:layout_height="@dimen/keyguard_affordance_height"

        android:layout_width="@dimen/keyguard_affordance_width"

        android:layout_gravity="bottom|start"

        android:src="@*android:drawable/ic_phone"

        android:scaleType="center"

        android:contentDescription="@string/accessibility_phone_button"

        android:tint="?attr/wallpaperTextColor" />

    <ImageView

        android:id="@+id/wallet_button"

        android:layout_height="@dimen/keyguard_affordance_fixed_height"

        <item>400</item>

    </integer-array>

    <!-- Show mic or phone affordance on Keyguard -->

    <bool name="config_keyguardShowLeftAffordance">false</bool>

    <!-- Show camera affordance on Keyguard -->

    <bool name="config_keyguardShowCameraAffordance">false</bool>

    <!-- decay duration (from size_max -> size), in ms -->

    <integer name="navigation_bar_deadzone_hold">333</integer>

    <integer name="navigation_bar_deadzone_decay">333</integer>

    <!-- The minimum background radius when swiping to a side for the camera / phone affordances. -->

    <dimen name="keyguard_affordance_min_background_radius">30dp</dimen>

    <!-- The size of the touch targets on the keyguard for the affordances. -->

    <dimen name="keyguard_affordance_touch_target_size">120dp</dimen>

    <!-- The grow amount for the camera and phone circles when hinting -->

    <dimen name="hint_grow_amount_sideways">60dp</dimen>

    <string name="accessibility_scanning_face">Scanning face</string>

    <!-- Click action label for accessibility for the smart reply buttons (not shown on-screen).". [CHAR LIMIT=NONE] -->

    <string name="accessibility_send_smart_reply">Send</string>

    <!-- Content description of the manage notification button for accessibility (not shown on the screen). [CHAR LIMIT=NONE] -->

    <!-- Click action label for accessibility for the phone button. [CHAR LIMIT=NONE] -->

    <string name="phone_label">open phone</string>

    <!-- Click action label for accessibility for the voice assist button. This is not shown on-screen and is an accessibility label for the icon which launches the voice assist from the lock screen.[CHAR LIMIT=NONE] -->

    <string name="voice_assist_label">open voice assist</string>

    <!-- Click action label for accessibility for the phone button. [CHAR LIMIT=NONE] -->

    <string name="camera_label">open camera</string>

    <!-- Button name for "Cancel". [CHAR LIMIT=NONE] -->

    <string name="cancel">Cancel</string>

    void onHintFinished();

    void onCameraHintStarted();

    void onVoiceAssistHintStarted();

    void onPhoneHintStarted();

    void onTrackingStopped(boolean expand);

    // TODO: Figure out way to remove these.