[1/2] Navigation bar width & height

Change-Id: I68d5b37e30733771a8db80329bf7a73c91b91d5b
Signed-off-by: kecinzer <kecinzer@gmail.com>

Conflicts:
	core/java/android/provider/Settings.java
	policy/src/com/android/internal/policy/impl/PhoneWindowManager.java