[birt-dev] CheckIN:Fix bugzilla bug 161811ReportRunner leaves files behi

["Mingxia Wu" <mwu@xxxxxxxxxxx>]

Title: CheckIN:Fix bugzilla bug 161811ReportRunner leaves files behind in temp directory after run

- Summary:
Fix bugzilla bug 161811 ReportRunner leaves files behind in temp directory after run

- Bugzilla Bug (s) Resolved:
Bug 161811

- Description:
Add file.deleteOnExit() to assure that the temp sample db file can be removed when VM exists in case of failing to delete it directly.

- Tests Description:
Manual test

- Notes to Build Team:

- Notes to Developers:

- Notes to QA:  

- Notes to Documentation:  

- Files Edited:
"/org.eclipse.birt.report.data.oda.sampledb/src/org/eclipse/birt/report/data/oda/sampledb/SampledbPlugin.java"

- Files Added:

- Files Deleted