[SD8] Add scripts for layouts that are already implemented

Bug: 15840116
Change-Id: I82b94fb89f18c6f7d88193231e132fbc2ac66685

java/res/xml/keyboard_layout_set_bulgarian.xml

@@ -20,6 +20,8 @@
 
 <KeyboardLayoutSet
     xmlns:latin="http://schemas.android.com/apk/res/com.android.inputmethod.latin">
+    <Feature
+        latin:supportedScript="cyrillic" />
     <Element
         latin:elementName="alphabet"
         latin:elementKeyboard="@xml/kbd_bulgarian"

java/res/xml/keyboard_layout_set_bulgarian_bds.xml

@@ -20,6 +20,8 @@
 
 <KeyboardLayoutSet
     xmlns:latin="http://schemas.android.com/apk/res/com.android.inputmethod.latin">
+    <Feature
+        latin:supportedScript="cyrillic" />
     <Element
         latin:elementName="alphabet"
         latin:elementKeyboard="@xml/kbd_bulgarian_bds"

java/res/xml/keyboard_layout_set_east_slavic.xml

@@ -20,6 +20,8 @@
 
 <KeyboardLayoutSet
     xmlns:latin="http://schemas.android.com/apk/res/com.android.inputmethod.latin">
+    <Feature
+        latin:supportedScript="cyrillic" />
     <Element
         latin:elementName="alphabet"
         latin:elementKeyboard="@xml/kbd_east_slavic"

java/res/xml/keyboard_layout_set_farsi.xml

@@ -20,6 +20,8 @@
 
 <KeyboardLayoutSet
     xmlns:latin="http://schemas.android.com/apk/res/com.android.inputmethod.latin">
+    <Feature
+        latin:supportedScript="arabic" />
     <Element
         latin:elementName="alphabet"
         latin:elementKeyboard="@xml/kbd_farsi"

java/res/xml/keyboard_layout_set_greek.xml

@@ -20,6 +20,8 @@
 
 <KeyboardLayoutSet
     xmlns:latin="http://schemas.android.com/apk/res/com.android.inputmethod.latin">
+    <Feature
+        latin:supportedScript="greek" />
     <Element
         latin:elementName="alphabet"
         latin:elementKeyboard="@xml/kbd_greek"

java/res/xml/keyboard_layout_set_hebrew.xml

@@ -20,6 +20,8 @@
 
 <KeyboardLayoutSet
     xmlns:latin="http://schemas.android.com/apk/res/com.android.inputmethod.latin">
+    <Feature
+        latin:supportedScript="hebrew" />
     <Element
         latin:elementName="alphabet"
         latin:elementKeyboard="@xml/kbd_hebrew"

java/res/xml/keyboard_layout_set_mongolian.xml

@@ -20,6 +20,8 @@
 
 <KeyboardLayoutSet
     xmlns:latin="http://schemas.android.com/apk/res/com.android.inputmethod.latin">
+    <Feature
+        latin:supportedScript="cyrillic" />
     <Element
         latin:elementName="alphabet"
         latin:elementKeyboard="@xml/kbd_mongolian"

java/res/xml/keyboard_layout_set_south_slavic.xml

@@ -20,6 +20,8 @@
 
 <KeyboardLayoutSet
     xmlns:latin="http://schemas.android.com/apk/res/com.android.inputmethod.latin">
+    <Feature
+        latin:supportedScript="cyrillic" />
     <Element
         latin:elementName="alphabet"
         latin:elementKeyboard="@xml/kbd_south_slavic"