Add preliminary graphics of sliding key input preview

        <attr name="touchNoiseThresholdDistance" format="dimension" />

        <!-- Sliding key input enable -->

        <attr name="slidingKeyInputEnable" format="boolean" />

        <attr name="slidingKeyInputPreviewColor" format="color" />

        <attr name="slidingKeyInputPreviewWidth" format="dimension" />

        <!-- Key repeat start timeout -->

        <attr name="keyRepeatStartTimeout" format="integer" />

        <!-- Key repeat interval in millisecond. -->

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

    <!-- Color resources for default, and Gingerbread theme. -->

    <color name="highlight_color_default">#FFFCAE00</color>

    <color name="highlight_translucent_color_default">#99FCAE00</color>

    <color name="key_text_color_default">@android:color/white</color>

    <color name="key_text_shadow_color_default">#BB000000</color>

    <color name="key_text_inactivated_color_default">@android:color/white</color>

    <color name="spacebar_text_color_stone">@android:color/black</color>

    <color name="spacebar_text_shadow_color_stone">#D0FFFFFF</color>

    <!-- Color resources for IceCreamSandwich theme. -->

    <!-- android:color/holo_blue_light value is #FF33B5E5 -->

    <color name="highlight_color_ics">@android:color/holo_blue_light</color>

    <color name="highlight_translucent_color_ics">#9933B5E5</color>

    <color name="key_text_color_ics">@android:color/white</color>

    <color name="key_text_shadow_color_ics">@android:color/transparent</color>

    <color name="key_text_inactivated_color_ics">#66E0E4E5</color>

    <!-- This configuration is the index of the array {@link KeyboardSwitcher.KEYBOARD_THEMES}. -->

    <string name="config_default_keyboard_theme_index" translatable="false">5</string>

    <integer name="config_max_more_keys_column">5</integer>

    <!--

         Configuration for KeyboardView

    -->

    <integer name="config_key_preview_linger_timeout">70</integer>

    <integer name="config_gesture_floating_preview_text_linger_timeout">200</integer>

    <integer name="config_gesture_preview_trail_fadeout_start_delay">100</integer>

    <integer name="config_gesture_preview_trail_fadeout_duration">800</integer>

    <integer name="config_gesture_preview_trail_update_interval">20</integer>

    <!--

         Configuration for MainKeyboardView

    -->

    <dimen name="config_key_hysteresis_distance_for_sliding_modifier">8.0dp</dimen>

    <integer name="config_touch_noise_threshold_time">40</integer>

    <dimen name="config_touch_noise_threshold_distance">12.6dp</dimen>

    <integer name="config_key_preview_linger_timeout">70</integer>

    <bool name="config_sliding_key_input_enabled">true</bool>

    <!-- Sliding key input preview parameters -->

    <dimen name="config_sliding_key_input_preview_width">8.0dp</dimen>

    <integer name="config_key_repeat_start_timeout">400</integer>

    <integer name="config_key_repeat_interval">50</integer>

    <integer name="config_default_longpress_key_timeout">300</integer>  <!-- milliseconds -->

    <!-- Showing more keys keyboard, just above the touched point if true, aligned to the key if

         false -->

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

    <integer name="config_gesture_floating_preview_text_linger_timeout">200</integer>

    <integer name="config_gesture_preview_trail_fadeout_start_delay">100</integer>

    <integer name="config_gesture_preview_trail_fadeout_duration">800</integer>

    <integer name="config_gesture_preview_trail_update_interval">20</integer>

    <!-- Static threshold for gesture after fast typing (msec) -->

    <integer name="config_gesture_static_time_threshold_after_fast_typing">500</integer>

    <!-- Static threshold for starting gesture detection (keyWidth%/sec) -->

    <!-- Option summary for showing language switch key [CHAR LIMIT=65] -->

    <string name="show_language_switch_key_summary">Show when multiple input languages are enabled</string>

    <!-- Option to enable sliding key input preview. The user can see a rubber band during sliding key input. [CHAR LIMIT=30]-->

    <string name="sliding_key_input_preview">Sliding key input preview</string>

    <!-- Option for the dismiss delay of the key popup [CHAR LIMIT=25] -->

    <string name="key_preview_popup_dismiss_delay">Key popup dismiss delay</string>

    <!-- Description for delay for dismissing a popup on keypress: no delay [CHAR LIMIT=15] -->

        <item name="touchNoiseThresholdTime">@integer/config_touch_noise_threshold_time</item>

        <item name="touchNoiseThresholdDistance">@dimen/config_touch_noise_threshold_distance</item>

        <item name="slidingKeyInputEnable">@bool/config_sliding_key_input_enabled</item>

        <item name="slidingKeyInputPreviewColor">@color/highlight_translucent_color_default</item>

        <item name="slidingKeyInputPreviewWidth">@dimen/config_sliding_key_input_preview_width</item>

        <item name="keyRepeatStartTimeout">@integer/config_key_repeat_start_timeout</item>

        <item name="keyRepeatInterval">@integer/config_key_repeat_interval</item>

        <item name="longPressShiftLockTimeout">@integer/config_longpress_shift_lock_timeout</item>

        <item name="keyPreviewOffset">@dimen/key_preview_offset_ics</item>

        <item name="keyTextShadowColor">@color/key_text_shadow_color_ics</item>

        <item name="keyTextShadowRadius">0.0</item>

        <item name="slidingKeyInputPreviewColor">@color/highlight_translucent_color_ics</item>

        <item name="gestureFloatingPreviewTextColor">@color/highlight_color_ics</item>

        <item name="gesturePreviewTrailColor">@color/highlight_color_ics</item>

    </style>