LatinIME: Tweak symbol layout to match gboard more closely

Change-Id: I60a6f7855d6beeed5e309e00b102cca4fe94603e

Author: pgaskin

java/res/xml/key_space_symbols.xml

@@ -23,5 +23,5 @@
 >
     <Key
         latin:keyStyle="spaceKeyStyle"
-        latin:keyWidth="30%p" />
+        latin:keyWidth="50%p" />
 </merge>

java/res/xml/row_symbols4.xml

@@ -21,12 +21,8 @@
 <merge xmlns:latin="http://schemas.android.com/apk/res/com.android.inputmethod.latin" >
     <Key
         latin:keySpec="!text/keyspec_comma" />
-    <Key
-        latin:keySpec="_" />
     <include
         latin:keyboardLayout="@xml/key_space_symbols" />
-    <Key
-        latin:keySpec="/" />
     <!-- U+2026: "…" HORIZONTAL ELLIPSIS -->
     <Key
         latin:keySpec="."

java/res/xml/row_symbols_shift4.xml

@@ -20,16 +20,10 @@
 <merge xmlns:latin="http://schemas.android.com/apk/res/com.android.inputmethod.latin" >
     <include
         latin:keyboardLayout="@xml/key_styles_less_greater" />
-    <Key
-        latin:keySpec="!text/keyspec_comma" />
     <Key
         latin:keyStyle="lessKeyStyle" />
     <include
         latin:keyboardLayout="@xml/key_space_symbols" />
     <Key
         latin:keyStyle="greaterKeyStyle" />
-    <!-- U+2026: "…" HORIZONTAL ELLIPSIS -->
-    <Key
-        latin:keySpec="."
-        latin:moreKeys="&#x2026;" />
 </merge>

java/res/xml/rowkeys_symbols2.xml

@@ -47,8 +47,7 @@
         latin:keyStyle="currencyKeyStyle"
         latin:keyLabelFlags="followKeyLetterRatio" />
     <Key
-        latin:keySpec="!text/keyspec_symbols_percent"
-        latin:moreKeys="!text/morekeys_symbols_percent" />
+        latin:keySpec="_" />
     <Key
         latin:keySpec="&amp;" />
     <!-- U+2013: "–" EN DASH
@@ -62,4 +61,6 @@
         latin:moreKeys="!text/morekeys_plus" />
     <include
         latin:keyboardLayout="@xml/keys_parentheses" />
+    <Key
+        latin:keySpec="/" />
 </merge>

java/res/xml/rowkeys_symbols_shift2.xml

@@ -50,4 +50,6 @@
         latin:moreKeys="≠,≈,∞" />
     <include
         latin:keyboardLayout="@xml/keys_curly_brackets" />
+    <Key
+        latin:keySpec="\\" />
 </merge>

java/res/xml/rowkeys_symbols_shift3.xml

@@ -22,7 +22,8 @@
     xmlns:latin="http://schemas.android.com/apk/res/com.android.inputmethod.latin"
 >
     <Key
-        latin:keySpec="\\" />
+        latin:keySpec="!text/keyspec_symbols_percent"
+        latin:moreKeys="!text/morekeys_symbols_percent" />
     <!-- U+00A9: "©" COPYRIGHT SIGN -->
     <Key
         latin:keySpec="&#x00A9;" />

java/res/xml/rows_symbols.xml

@@ -47,8 +47,7 @@
         latin:keyWidth="10%p"
     >
         <include
-            latin:keyboardLayout="@xml/rowkeys_symbols2"
-            latin:keyXPos="5%p" />
+            latin:keyboardLayout="@xml/rowkeys_symbols2" />
     </Row>
     <Row
         latin:keyWidth="10%p"

java/res/xml/rows_symbols_shift.xml

@@ -36,7 +36,6 @@
         latin:keyWidth="10%p"
     >
         <include
-            latin:keyXPos="5%p"
             latin:keyboardLayout="@xml/rowkeys_symbols_shift2" />
     </Row>
     <Row