Rename text resources consistently

- keylabel_<key>, the key label text of the <key>
- keyspec_<key>, the key specification of the <key>
- keyhintlabel_<key>, the hint label text of the <key>
- morekeys_<key>, the more keys specifications of the <key>
- additional_morekeys_<key>, the additional more keys specification of
  the <key>

Change-Id: Ib2127f21fa33a2568e8a6eba65cfdb2cf78b480e
diff --git a/java/res/xml/key_period.xml b/java/res/xml/key_period.xml
index edb4f94..ce23e22 100644
--- a/java/res/xml/key_period.xml
+++ b/java/res/xml/key_period.xml
@@ -34,15 +34,15 @@
             <Key
                 latin:keyStyle="baseKeyDevanagariSignVirama"
                 latin:keyLabelFlags="hasPopupHint"
-                latin:moreKeys="!text/more_keys_for_punctuation"
+                latin:moreKeys="!text/morekeys_punctuation"
                 latin:backgroundType="functional" />
         </case>
         <default>
             <Key
-                latin:keySpec="!text/keylabel_for_period"
-                latin:keyHintLabel="!text/keyhintlabel_for_period"
+                latin:keySpec="!text/keyspec_period"
+                latin:keyHintLabel="!text/keyhintlabel_period"
                 latin:keyLabelFlags="hasPopupHint|hasShiftedLetterHint"
-                latin:moreKeys="!text/more_keys_for_period"
+                latin:moreKeys="!text/morekeys_period"
                 latin:backgroundType="functional" />
         </default>
     </switch>