password solih, logout hiih update hiiv.
webview bolon external browser dr implement hiiv.
webview bolon external browser-n jisheeg implement hiiv.

WebViewActivity @Deprecated annotation tavibal external browser-r login,
changepassword, logout-g duudna.
busad ued webview-r duudna

Signed-off-by: Munkh-Ochir Lkhagva <lmo_0731@yahoo.com>