[DRLVM]update : (JIRA-1898) write barrier for C/C++ based GCs in Jitrino.OPT

[yunan He]

JIRA-1898 is updated.      Weldon, Please try the patch
"WB4C_Update2.patch". And could you please publish the error message If you
still can not  build on Linux. Thanks for your help. We hope it can be
committed to Harmony soon.