Revert "Remove symbols shifted layout related code"

This reverts commit 1cd027850bb07cd3fe2c1ec43b8a594d2f8ad313.

Bug: 9059539

Change-Id: I1880b799e2d0f148ae913f13cffa1b8cac48be60
diff --git a/java/res/values/attrs.xml b/java/res/values/attrs.xml
index 631c35d..2a5334f 100644
--- a/java/res/values/attrs.xml
+++ b/java/res/values/attrs.xml
@@ -388,6 +388,7 @@
             <enum name="alphabetShiftLocked" value="3" />
             <enum name="alphabetShiftLockShifted" value="4" />
             <enum name="symbols" value="5" />
+            <enum name="symbolsShifted" value="6"  />
             <enum name="phone" value="7"  />
             <enum name="phoneSymbols" value="8"  />
             <enum name="number" value="9"  />
@@ -449,6 +450,7 @@
             <enum name="alphabetShiftLocked" value="3" />
             <enum name="alphabetShiftLockShifted" value="4" />
             <enum name="symbols" value="5" />
+            <enum name="symbolsShifted" value="6"  />
             <enum name="phone" value="7"  />
             <enum name="phoneSymbols" value="8"  />
             <enum name="number" value="9"  />