Static field name prefix should be 's'

According to http://source.android.com/source/code-style.html, static field should start with 's'

Change-Id: Ic883ddcdd42ba030bbe62ff1648440c25e927460
diff --git a/ide/intellij/codestyles/AndroidStyle.xml b/ide/intellij/codestyles/AndroidStyle.xml
index 672c4e5..5a21b7c 100644
--- a/ide/intellij/codestyles/AndroidStyle.xml
+++ b/ide/intellij/codestyles/AndroidStyle.xml
@@ -13,7 +13,7 @@
     </value>
   </option>
   <option name="FIELD_NAME_PREFIX" value="m" />
-  <option name="STATIC_FIELD_NAME_PREFIX" value="m" />
+  <option name="STATIC_FIELD_NAME_PREFIX" value="s" />
   <option name="CLASS_COUNT_TO_USE_IMPORT_ON_DEMAND" value="9999" />
   <option name="NAMES_COUNT_TO_USE_IMPORT_ON_DEMAND" value="9999" />
   <option name="IMPORT_LAYOUT_TABLE">
@@ -172,4 +172,3 @@
     <option name="PARENT_SETTINGS_INSTALLED" value="true" />
   </codeStyleSettings>
 </code_scheme>
-