This change is needed to introduce new theme easily. As a starter this
change introduces Keyboard.popupHintIcon attribute and
Key.keyLabelOption.popupHint flag to show popup hint icon that is
previously specified by Key.keyHintIcon attribute.
Bug: 4436327
Change-Id: I6b1c5c1b88eece541141b2d2cedd164ee02e5c2a
This change removes Russian keyboard layout exceptions and make it
compatible with other Latin's.
Also tweaks some locales' keyboard layout to match with standard PC's
keyboard layout at most.
Change-Id: I305201fb850b4f94ae7e746ab4c039473d09da70
This change introduces the following features to Keyboard XML format.
* "keyXPos" can specify the key X coordinate directly.
* "keyXPos" can be negative. The X coordinate will be calcluated from
the right edge of the keyboard toward left.
* "keyWidth" can be zero to be filled up to the right side.
* "keyWidth can be negative. The key will be filled up to both sides.
* Spacer's horizontalGap is renamed as keyWidth, and can be inherited
from key-style.
* Spacer can have keyXPos attribute.
Using these syntax, all keyboard layouts have been re-written.
Cherry-Pick: I314b2e8ca2aa145ff9506cbf927140a15685af42
Bug: 4442045
Change-Id: I048fe5eaef020d8472ab577e9d326042bae2f3fa
Tadashi G. Takaoka