Add config for the expire age of partial segment messages.

Set the value to 30 days based on default value in code,
then it could be customized via res overlay mechanism.

Change-Id: Ia219aa59dd009d831abb03b5921763ade38f0c50

Change-Id: I46fda3389a34b99b6e8e5bdb07a16a28ba49ca23
Conflicts:
core/res/res/values/symbols.xml
diff --git a/core/res/res/values/config.xml b/core/res/res/values/config.xml
index c0fa8ff..8af2c06 100644
--- a/core/res/res/values/config.xml
+++ b/core/res/res/values/config.xml
@@ -1869,4 +1869,7 @@
          for long messages. -->
     <bool name="config_ascii_7bit_support_for_long_message">false</bool>
 
+    <!-- Configuration to set delete any partial segments expire age -->
+    <!-- 30 days by default (60 * 60 * 1000) * 24 * 30 , no long so use string-->
+    <string name="config_partial_segment_expire_age">2592000000</string>
 </resources>
diff --git a/core/res/res/values/symbols.xml b/core/res/res/values/symbols.xml
index 5ffe260..ee6b38a 100644
--- a/core/res/res/values/symbols.xml
+++ b/core/res/res/values/symbols.xml
@@ -2094,4 +2094,5 @@
   <java-symbol type="bool" name="config_switch_phone_on_voice_reg_state_change" />
   <java-symbol type="string" name="whichHomeApplicationNamed" />
   <java-symbol type="bool" name="config_sms_force_7bit_encoding" />
+  <java-symbol type="string" name="config_partial_segment_expire_age" />
 </resources>