Draw phone/number keyboard layout witout icon

This change introduces:

* New KeyboardView attribute
  * keyLargeLetterRatio to specify large letter text size.
  * keyHintLabelRatio to specify hint label text size.
  * keyHintLabelColor to specify hint label text color.
  * keyPreviewTextRatio to specify key preview text size.
* New Key.keyLabelOption flags
  * alignLeftOfCenter, align the key label slightly left of the key center.
  * largeLetter, use keyLargeLetterRatio to draw key letter.
  * hasHintLabel, draw keyHintLabel at the right of key letter.
  * followKeyHintLabelRatio, draw the key label following keyHintLabelRatio size.
* Renames
  * Key.keyHintLetter to keyHintLabel.
  * Key.keylLabelOption fontFixedWidth to fontMonoSpace.
  * Key.keylLabelOption popupHint to hasPopupHint.
* Removes
  * number icon releted attributes and declarations.

Change-Id: I2f456737e3a46209e5f48b5155951b2b21a33859

java/res/values-land/dimens.xml

@@ -33,13 +33,21 @@
     <dimen name="keyboard_top_padding_ics">0.03in</dimen>
     <dimen name="keyboard_bottom_padding_ics">0.00in</dimen>
     <dimen name="keyboard_horizontal_edges_padding">0.0in</dimen>
+
+    <!-- left or right padding of label alignment -->
+    <dimen name="key_label_horizontal_alignment_padding">8dip</dimen>
+
     <fraction name="key_letter_ratio">55%</fraction>
+    <fraction name="key_large_letter_ratio">68%</fraction>
     <fraction name="key_label_ratio">35%</fraction>
     <fraction name="key_hint_letter_ratio">28%</fraction>
+    <fraction name="key_hint_label_ratio">45%</fraction>
     <fraction name="key_uppercase_letter_ratio">40%</fraction>
     <fraction name="key_preview_text_ratio">90%</fraction>
     <dimen name="key_preview_offset">0.08in</dimen>
+
     <dimen name="key_preview_offset_ics">0.01in</dimen>
+
     <dimen name="candidate_strip_height">38dip</dimen>
     <dimen name="candidate_strip_fading_edge_length">63dip</dimen>
     <!-- Amount of allowance for selecting keys in a mini popup keyboard by sliding finger. -->