Fix assertion failures caused by different instance type

onAttachFragment() with ReportFragment instance is called first since
Support Library 26.1.0 has been applied. Remove assert() and check
instance to fix crash caused by the ReportFragement.

Test: Manual

Change-Id: I5a4d6bdd00ac94c5892527f5fe784b8f19701214
Signed-off-by: Taesu Lee <taesu82.lee@samsung.com>
2 files changed