Fix Emoji key pressed background

Bug: 10538430
Change-Id: I933f075c5e84b637c4d171a7dcc685f0dc8a88df

java/res/xml/kbd_emoji_category1.xml

@@ -22,6 +22,7 @@
     xmlns:latin="http://schemas.android.com/apk/res/com.android.inputmethod.latin"
     latin:keyWidth="@fraction/emoji_keyboard_key_width"
     latin:keyLetterSize="90%p"
+    latin:rowHeight="@fraction/emoji_keyboard_row_height"
 >
     <GridRows
         latin:codesArray="@array/emoji_faces"

java/res/xml/kbd_emoji_category2.xml

@@ -22,6 +22,7 @@
     xmlns:latin="http://schemas.android.com/apk/res/com.android.inputmethod.latin"
     latin:keyWidth="@fraction/emoji_keyboard_key_width"
     latin:keyLetterSize="90%p"
+    latin:rowHeight="@fraction/emoji_keyboard_row_height"
 >
     <GridRows
         latin:codesArray="@array/emoji_objects"

java/res/xml/kbd_emoji_category3.xml

@@ -22,6 +22,7 @@
     xmlns:latin="http://schemas.android.com/apk/res/com.android.inputmethod.latin"
     latin:keyWidth="@fraction/emoji_keyboard_key_width"
     latin:keyLetterSize="90%p"
+    latin:rowHeight="@fraction/emoji_keyboard_row_height"
 >
     <GridRows
         latin:codesArray="@array/emoji_nature"

java/res/xml/kbd_emoji_category4.xml

@@ -22,6 +22,7 @@
     xmlns:latin="http://schemas.android.com/apk/res/com.android.inputmethod.latin"
     latin:keyWidth="@fraction/emoji_keyboard_key_width"
     latin:keyLetterSize="90%p"
+    latin:rowHeight="@fraction/emoji_keyboard_row_height"
 >
     <GridRows
         latin:codesArray="@array/emoji_places"

java/res/xml/kbd_emoji_category5.xml

@@ -22,6 +22,7 @@
     xmlns:latin="http://schemas.android.com/apk/res/com.android.inputmethod.latin"
     latin:keyWidth="@fraction/emoji_keyboard_key_width"
     latin:keyLetterSize="90%p"
+    latin:rowHeight="@fraction/emoji_keyboard_row_height"
 >
     <GridRows
         latin:codesArray="@array/emoji_symbols"

java/res/xml/kbd_emoji_category6.xml

@@ -23,6 +23,7 @@
     latin:keyWidth="@fraction/emoji_keyboard_key_width"
     latin:keyLetterSize="90%p"
     latin:keyLabelSize="60%p"
+    latin:rowHeight="@fraction/emoji_keyboard_row_height"
 >
     <GridRows
         latin:textsArray="@array/emoji_emoticons"