Make some keys in phone keyboard to darker color

Bug: 3088257
Change-Id: I36b1a0f147c1087a98b91f00d60bf15922861f9c
diff --git a/java/res/xml/kbd_phone.xml b/java/res/xml/kbd_phone.xml
index 9f381b9..0a01fa0 100644
--- a/java/res/xml/kbd_phone.xml
+++ b/java/res/xml/kbd_phone.xml
@@ -41,6 +41,7 @@
         <Key
             android:keyLabel="-"
             android:keyWidth="20%p"
+            android:isModifier="true"
             android:keyEdgeFlags="right" />
     </Row>
     <Row>
@@ -57,6 +58,7 @@
         <Key
             android:keyLabel="."
             android:keyWidth="20%p"
+            android:isModifier="true"
             android:keyEdgeFlags="right" />
     </Row>
     <Row>
@@ -75,6 +77,7 @@
             android:keyIcon="@drawable/sym_keyboard_delete"
             android:iconPreview="@drawable/sym_keyboard_feedback_delete"
             android:keyWidth="20%p"
+            android:isModifier="true"
             android:isRepeatable="true"
             android:keyEdgeFlags="right" />
     </Row>
@@ -84,7 +87,8 @@
         <Key
             android:codes="@integer/key_symbol"
             android:keyIcon="@drawable/sym_keyboard_numalt"
-            android:iconPreview="@drawable/sym_keyboard_feedback_numalt" />
+            android:iconPreview="@drawable/sym_keyboard_feedback_numalt"
+            android:keyEdgeFlags="left" />
         <Key
             android:codes="48"
             android:keyIcon="@drawable/sym_keyboard_num0" />
@@ -96,6 +100,7 @@
             android:codes="@integer/key_return"
             android:keyIcon="@drawable/sym_keyboard_return"
             android:keyWidth="20%p"
+            android:isModifier="true"
             android:keyEdgeFlags="right" />
     </Row>
 </Keyboard>
diff --git a/java/res/xml/kbd_phone_symbols.xml b/java/res/xml/kbd_phone_symbols.xml
index 598e211..2dc93c1 100644
--- a/java/res/xml/kbd_phone_symbols.xml
+++ b/java/res/xml/kbd_phone_symbols.xml
@@ -38,6 +38,7 @@
         <Key
             android:keyLabel="-"
             android:keyWidth="20%p"
+            android:isModifier="true"
             android:keyEdgeFlags="right" />
     </Row>
     <Row>
@@ -54,6 +55,7 @@
         <Key
             android:keyLabel="."
             android:keyWidth="20%p"
+            android:isModifier="true"
             android:keyEdgeFlags="right" />
     </Row>
     <Row>
@@ -73,6 +75,7 @@
             android:keyIcon="@drawable/sym_keyboard_delete"
             android:iconPreview="@drawable/sym_keyboard_feedback_delete"
             android:keyWidth="20%p"
+            android:isModifier="true"
             android:isRepeatable="true"
             android:keyEdgeFlags="right" />
     </Row>
@@ -93,6 +96,7 @@
             android:codes="@integer/key_return"
             android:keyIcon="@drawable/sym_keyboard_return"
             android:keyWidth="20%p"
+            android:isModifier="true"
             android:keyEdgeFlags="right" />
     </Row>
 </Keyboard>