[TIMOB-4981] Android: Analytics send ti.end a few minutes later than actual end

Steps to Reproduce: 1. Run Analytics application from Barcelona/QE/TestFiles/FeatureTest 2. Launch application 3. Click Feature Event 4. Click Nav Event 5. Click Setting Event 6. Click User Event 7. Press the home button Actual Result: "id":"379ea05d-2fc2-4559-9be5-a9a200400a1a:443fca8aacd792be","sid":"88a57ad8-e852-4cb0-bf1d-abb8bfd20572","ts":"2011-08-10T21:16:17.430+0000","event":"featureEvent.testButton","data":[],"seq":3,"mid":"443fca8aacd792be","ver":"2","type":"app.feature","aguid":"bc4628b5-99eb-4877-91df-aa9a4771920e"} {"id":"63b0cac6-a8b7-4653-8090-24685cd37c14:443fca8aacd792be","sid":"88a57ad8-e852-4cb0-bf1d-abb8bfd20572","ts":"2011-08-10T21:16:18.648+0000","event":"navEvent.testButton","data":{"to":"there","data":[],"event":"navEvent.testButton","from":"here"},"seq":4,"mid":"443fca8aacd792be","ver":"2","type":"app.nav","aguid":"bc4628b5-99eb-4877-91df-aa9a4771920e"} {"id":"954af0f2-4008-4ae5-89b1-215218dfcf79:443fca8aacd792be","sid":"88a57ad8-e852-4cb0-bf1d-abb8bfd20572","ts":"2011-08-10T21:16:19.846+0000","event":"settingsEvent.testButton","data":[],"seq":5,"mid":"443fca8aacd792be","ver":"2","type":"app.settings","aguid":"bc4628b5-99eb-4877-91df-aa9a4771920e"} {"id":"360cd6ac-6f6d-4914-82d2-f57632549eae:443fca8aacd792be","sid":"88a57ad8-e852-4cb0-bf1d-abb8bfd20572","ts":"2011-08-10T21:16:26.649+0000","event":"userEvent.testButton","data":[],"seq":6,"mid":"443fca8aacd792be","ver":"2","type":"app.user","aguid":"bc4628b5-99eb-4877-91df-aa9a4771920e"} {"id":"0ab70e2f-123a-43bc-bc30-ea8393799c54:443fca8aacd792be","sid":"88a57ad8-e852-4cb0-bf1d-abb8bfd20572","ts":"2011-08-10T21:20:33.236+0000","event":"ti.end","data":{"value":""},"seq":7,"mid":"443fca8aacd792be","ver":"2","type":"ti.end","aguid":"bc4628b5-99eb-4877-91df-aa9a4771920e"} Note the ti.end has a timestamp of 21:20, but the app was terminated right after the app.user event. This will cause the average session time to be off by many minutes. Expected Result: ti.end should be within seconds of app.user event.