as far as i know they are on dialertabactivity.apk
I've tried changing the color in DialerTabActivity.apk of the png dialer_tab_button_bg_focus.9.png and dialer_tab_button_bg_press.9.png to another color, recompiled apk and tried it to see if there's any change but no change at all, i've also tried modifiyng those png's from framework-res but no change.
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