Fix PC Qwerty layout

This CL fixes:
 - Action label never displayed on phone.
 - Go action label incorrectly showed on tablet.
 - Broken layout on noMicrophoneKey+noSettingsKey input field.
 - "Voice input key" settings has no effect on phone.
 - Inconsistent microphone and emoji key layouts.
 - Slightly modified spacebar size when language switch key is on.
 - Slightly larger enter key on tablet.

Bug: 13537661
Change-Id: I69a6ee7bc99e84b104a4d0352e1824096f6a4750
diff --git a/java/res/xml-sw600dp/rows_pcqwerty.xml b/java/res/xml-sw600dp/rows_pcqwerty.xml
index 8714815..b503d83 100644
--- a/java/res/xml-sw600dp/rows_pcqwerty.xml
+++ b/java/res/xml-sw600dp/rows_pcqwerty.xml
@@ -56,7 +56,7 @@
         latin:keyWidth="7.0%p"
     >
         <Spacer
-            latin:keyWidth="12.0%p" />
+            latin:keyWidth="10.0%p" />
         <include
             latin:keyboardLayout="@xml/rowkeys_pcqwerty3" />
         <Key