Revert "Added EmbedLiteAppIface in order to abstract embedliteApp from thread based IPC interface."

This reverts commit 72e6b4d84f5d454b714f49c29d4155dcb51b0731.
Switch to PEmbedLiteAppParent interface
Switch to PEmbedLiteAppParent interface, cleanup view interface
Merge commit '119abc803bff7a52f62a34a613d984add88ded60' into embedlite