e_policy_wl: change aux hint name for decoration properties
We changed aux hint name related with client size decoration as below.
* E_Policy_Hint_Type
- E_POLICY_HINT_RESIZE_HEADER_HEIGHT -> E_POLICY_HINT_DECORATION_SIZE_HEADER
- E_POLICY_HINT_RESIZE_FOOTER_HEIGHT -> E_POLICY_HINT_DECORATION_SIZE_FOOTER
* hint_name
- wm.policy.win.resize.header_height -> wm.policy.win.decoration.size.header
- wm.policy.win.resize.footer_height -> wm.policy.win.decoration.size.footer
Change-Id: Iceb68af9d9fd6e116a779b96e4a11845e8b106b3