Xfailed test_call_log_all_calls due to bug 897036
Bug 897036 - Dialer app remains at 10% loading when test_call_log_all_calls is run
https://bugzilla.mozilla.org/show_bug.cgi?id=897036

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Merge pull request #1136 from AlinT/xfail_test_call_log_all_calls

Xfailed test_call_log_all_calls due to bug 897036