Remove unnecessary android:codes attribute

If there is no android:codes specified, the first character of
keyLabel's code point will be used instead.

Also introduce readable codes as @integer/key_XXX resources

Bug: 2973749
Change-Id: If9021ca35f9a7b922817e2099186fce0cd993652
diff --git a/java/res/xml-iw/kbd_qwerty.xml b/java/res/xml-iw/kbd_qwerty.xml
old mode 100755
new mode 100644
index 20e5941..c8b5f4b
--- a/java/res/xml-iw/kbd_qwerty.xml
+++ b/java/res/xml-iw/kbd_qwerty.xml
@@ -45,7 +45,7 @@
         <Key
             android:keyLabel="פ" />
         <Key
-            android:codes="-5"
+            android:codes="@integer/key_delete"
             android:horizontalGap="1.25%p"
             android:keyIcon="@drawable/sym_keyboard_delete"
             android:keyWidth="13.75%p"
@@ -106,7 +106,7 @@
         android:rowEdgeFlags="bottom"
     >
         <Key
-            android:codes="-2"
+            android:codes="@integer/key_symbol"
             android:keyLabel="@string/label_symbol_key"
             android:keyWidth="15%p"
             android:keyEdgeFlags="left"
@@ -124,20 +124,19 @@
             android:keyWidth="10%p"
             android:isModifier="true" />
         <Key
-            android:codes="32"
+            android:codes="@integer/key_space"
             android:keyIcon="@drawable/sym_keyboard_space"
             android:iconPreview="@drawable/sym_keyboard_feedback_space"
             android:keyWidth="30%p"
             android:isRepeatable="true"
             android:isModifier="true" />
         <Key
-            android:codes="46"
             android:keyLabel="."
             android:popupKeyboard="@xml/popup_punctuation"
             android:keyWidth="10%p"
             android:isModifier="true" />
         <Key
-            android:codes="10"
+            android:codes="@integer/key_return"
             android:keyIcon="@drawable/sym_keyboard_return"
             android:iconPreview="@drawable/sym_keyboard_feedback_return"
             android:keyWidth="25%p"
@@ -149,7 +148,7 @@
         android:rowEdgeFlags="bottom"
     >
         <Key
-            android:codes="-2"
+            android:codes="@integer/key_symbol"
             android:keyLabel="@string/label_symbol_key"
             android:keyWidth="15%p"
             android:keyEdgeFlags="left"
@@ -165,7 +164,7 @@
             android:keyWidth="10%p"
             android:isModifier="true" />
         <Key
-            android:codes="32"
+            android:codes="@integer/key_space"
             android:keyIcon="@drawable/sym_keyboard_space"
             android:iconPreview="@drawable/sym_keyboard_feedback_space"
             android:keyWidth="30%p"
@@ -177,7 +176,7 @@
             android:keyWidth="10%p"
             android:isModifier="true" />
         <Key
-            android:codes="10"
+            android:codes="@integer/key_return"
             android:keyIcon="@drawable/sym_keyboard_return"
             android:iconPreview="@drawable/sym_keyboard_feedback_return"
             android:keyWidth="25%p"
@@ -189,7 +188,7 @@
         android:rowEdgeFlags="bottom"
     >
         <Key
-            android:codes="-2"
+            android:codes="@integer/key_symbol"
             android:keyLabel="@string/label_symbol_key"
             android:keyWidth="15%p"
             android:keyEdgeFlags="left"
@@ -204,7 +203,7 @@
             android:keyLabel="\@"
             android:isModifier="true" />
         <Key
-            android:codes="32"
+            android:codes="@integer/key_space"
             android:keyIcon="@drawable/sym_keyboard_space"
             android:iconPreview="@drawable/sym_keyboard_feedback_space"
             android:keyWidth="30%p"
@@ -215,7 +214,7 @@
             android:popupKeyboard="@xml/popup_punctuation"
             android:isModifier="true" />
         <Key
-            android:codes="10"
+            android:codes="@integer/key_return"
             android:keyIcon="@drawable/sym_keyboard_return"
             android:iconPreview="@drawable/sym_keyboard_feedback_return"
             android:keyWidth="25%p"
@@ -227,7 +226,7 @@
         android:rowEdgeFlags="bottom"
     >
         <Key
-            android:codes="-2"
+            android:codes="@integer/key_symbol"
             android:keyLabel="@string/label_symbol_key"
             android:keyWidth="15%p"
             android:keyEdgeFlags="left"
@@ -245,14 +244,13 @@
             android:keyWidth="10%p"
             android:isModifier="true" />
         <Key
-            android:codes="32"
+            android:codes="@integer/key_space"
             android:keyIcon="@drawable/sym_keyboard_space"
             android:iconPreview="@drawable/sym_keyboard_feedback_space"
             android:keyWidth="30%p"
             android:isRepeatable="true"
             android:isModifier="true" />
         <Key
-            android:codes="46"
             android:keyLabel="."
             android:popupKeyboard="@xml/popup_punctuation"
             android:keyWidth="10%p"
@@ -270,7 +268,7 @@
         android:rowEdgeFlags="bottom"
     >
         <Key
-            android:codes="-2"
+            android:codes="@integer/key_symbol"
             android:keyLabel="@string/label_symbol_key"
             android:keyWidth="15%p"
             android:keyEdgeFlags="left"
@@ -288,14 +286,14 @@
             android:keyWidth="10%p"
             android:isModifier="true" />
         <Key
-            android:codes="32"
+            android:codes="@integer/key_space"
             android:keyIcon="@drawable/sym_keyboard_space"
             android:iconPreview="@drawable/sym_keyboard_feedback_space"
             android:keyWidth="30%p"
             android:isRepeatable="true"
             android:isModifier="true" />
         <Key
-            android:codes="9"
+            android:codes="@integer/key_tab"
             android:keyIcon="@drawable/sym_keyboard_tab"
             android:iconPreview="@drawable/sym_keyboard_feedback_tab"
             android:keyWidth="10%p"
@@ -306,7 +304,7 @@
             android:keyWidth="10%p"
             android:isModifier="true" />
         <Key
-            android:codes="10"
+            android:codes="@integer/key_return"
             android:keyIcon="@drawable/sym_keyboard_return"
             android:iconPreview="@drawable/sym_keyboard_feedback_return"
             android:keyWidth="15%p"