e_client: fix focus issue

e_client: fix focus issue

There was a side effect on below patch. This patch fix it.
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    e_client: fixed focus issue

    There was a bug that the focus is set to the top window when user touches the below window.
    in this case (user touches the window), touched window should be get the focus.
    This patch can resolve this issue.

    Change-Id: I090a1ed27b3f20081e4f69fc2a8f5461f6c7ff0d
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Change-Id: I28840969f94595b8545b6ef36548fc0f7afe5798