Define new functions for handling package recovery mode

Define new functions for handling package recovery mode

To handle recovering the package, the functions are added.
While recoverying the package, the functions will be invoked by the
installer.

Adds:
 - PKGMGR_PARSER_PLUGIN_RECOVERINSTALL()
 - PKGMGR_PARSER_PLUGIN_RECOVERUNINSTALL()
 - PKGMGR_PARSER_PLUGIN_RECOVERUPGRADE()
 - PKGMGR_MDPARSER_PLUGIN_RECOVERINSTALL()
 - PKGMGR_MDPARSER_PLUGIN_RECOVERUNINSTALL()
 - PKGMGR_MDPARSER_PLUGIN_RECOVERUPGRADE()

Change-Id: I80526ca8181c4c48bfe04029185b078d2fcdb351
Signed-off-by: Hwankyu Jhun <h.jhun@samsung.com>