Change the way of memory allocation in isf_control_get_ise_list ()

Change the way of memory allocation in isf_control_get_ise_list ()

[model] Kiran
[binary_type] PDA
[customer] OPEN
[issue#] P141027-04651
[problem] Keyboard setting Appcontrol has closed unexpectedly shown after selecting Hindi language
[cause] Mismatch memory deallocation function
[solution] isf_control_get_ise_list () can be used in C application, so memory should be allocated by malloc NOT new in C++.
[team] Input Framework
[request] N/A
[horizontal_expansion] N/A

Change-Id: Idc5e42011da7611d7dbef7328434a43aaff022d6