Use normal font for functional key label instead of italic font

This change also uses slightly larger font size for functional key
label according to the v4 keyboard design.

Bug: 3216592
Change-Id: I027f109b7748ade8564dc808487d9a6ce1da9761
diff --git a/java/res/xml-xlarge/kbd_phone.xml b/java/res/xml-xlarge/kbd_phone.xml
index 4bbd69d..57575b6 100644
--- a/java/res/xml-xlarge/kbd_phone.xml
+++ b/java/res/xml-xlarge/kbd_phone.xml
@@ -30,7 +30,7 @@
         <Key
             latin:codes="@integer/key_tab"
             latin:keyLabel="@string/label_tab_key"
-            latin:keyLabelOption="fontItalic|alignLeft|alignBottom"
+            latin:keyLabelOption="fontNormal|alignLeft|alignBottom"
             latin:isModifier="true"
             latin:keyEdgeFlags="left" />
         <!-- To match one character label size with "Tab", I placed spaces around the char '-'
@@ -61,7 +61,7 @@
         <Key
             latin:codes="@integer/key_delete"
             latin:keyLabel="@string/label_backspace_key"
-            latin:keyLabelOption="fontItalic|alignRight|alignBottom"
+            latin:keyLabelOption="fontNormal|alignRight|alignBottom"
             latin:keyWidth="14.706%p"
             latin:isModifier="true"
             latin:isRepeatable="true"
@@ -71,7 +71,7 @@
         <Key
             latin:codes="@integer/key_switch_alpha_symbol"
             latin:keyLabel="@string/label_more_key"
-            latin:keyLabelOption="fontItalic|alignLeft|alignBottom"
+            latin:keyLabelOption="fontNormal|alignLeft|alignBottom"
             latin:isModifier="true"
             latin:isSticky="true"
             latin:keyEdgeFlags="left" />
@@ -103,7 +103,7 @@
         <Key
             latin:codes="@integer/key_return"
             latin:keyLabel="@string/label_return_key"
-            latin:keyLabelOption="fontItalic|alignRight|alignBottom"
+            latin:keyLabelOption="fontNormal|alignRight|alignBottom"
             latin:keyWidth="14.706%p"
             latin:isModifier="true"
             latin:keyEdgeFlags="right" />