TOMBSTONE happens in "com.android.browser" at SIGSEGV

It is monkey issue, add the flag to avoid the delete
method executed many times.

Change-Id: I78e21b4d4095ae5a95f0d786f9dd2f1fb405a23c
Author: Yijun Zhu <yijunx.zhu@intel.com>
Signed-off-by: Yijun Zhu <yijunx.zhu@intel.com>
Signed-off-by: Shuo Gao <shuo.gao@intel.com>
Signed-off-by: Bruce Beare <bruce.j.beare@intel.com>
Signed-off-by: Jack Ren <jack.ren@intel.com>
Author-tracking-BZ: 63778