[wrt][xwalk-3017] Update tests.full.xml and tests.xml for sharedmodemanu

Impacted TCs num(approved): New 0, Update 4, Delete 0
Unit test Platform: Android
Android test result summary: Pass 4, Fail 0, Block 0
Merge pull request #1276 from wanghongjuan/wrt/xwalk-3017

[wrt][xwalk-3017] Update tests.full.xml and tests.xml for sharedmodemanu