[DevTools] Emulator page revised
- Quick guide for executing emulator is added in the first of page
- "Using Hardware Virtualization" is moved into the page and note for the "Hardware Virtualization" is added
- Re-organize the document hierarchy
- Add sub-sections: Emulator Manager CLI, Emulator Control Panel CLI
- Fix typos
Signed-off-by: Sangho Park <sangho1206.park@samsung.com>
(cherry picked from commit
6b69275f4f93d72d0dd2ad15aec93b5803ea58ca)
Change-Id: I5ee2da8558d3b11cfc546ecf6bea8ba609ae6288