Add code profiling interface for arm.

Change-Id: I0696146f53b27aa024f6905cc73ac24dcef559c5
Merge "Add code profiling interface for arm."
Add profiling support in goldfish.

Change-Id: I8b1de032123a96675190c1d9d4b6e1d3d2a60343
Merge "Add profiling support in goldfish."
Add -code-profile option.

Change-Id: Ief30fa6603dcfdedb342379f6eab17c34de865af
Merge "Add -code-profile option."