Fix missing Azerbaijani text resource

Though Azerbaijani subtype is disabled temporary by Ib8a38f85f4.

Change-Id: I887cf3508bd2945016c506eae1969778ba4582d3
diff --git a/java/src/com/android/inputmethod/keyboard/internal/KeyboardTextsSet.java b/java/src/com/android/inputmethod/keyboard/internal/KeyboardTextsSet.java
index 1594df7..00cb835 100644
--- a/java/src/com/android/inputmethod/keyboard/internal/KeyboardTextsSet.java
+++ b/java/src/com/android/inputmethod/keyboard/internal/KeyboardTextsSet.java
@@ -625,7 +625,8 @@
 
     /* Language az: Azerbaijani */
     private static final String[] LANGUAGE_az = {
-        /* 0 */ null,
+        // U+00E2: "â" LATIN SMALL LETTER A WITH CIRCUMFLEX
+        /* 0 */ "\u00E2",
         // U+0259: "ə" LATIN SMALL LETTER SCHWA
         /* 1 */ "\u0259",
         // U+0131: "ı" LATIN SMALL LETTER DOTLESS I