Change the order of functions in .debug_frame to save space.

Order the methods to help the compression of mini-debug-info.
This reduces the overhead of mini-debug-info from 3% to 2.5%.

Also remove oat_patches from the mini-debug-info since it is
does not make sense there.

Change-Id: I5077f664c3b01f07047b251489d2e9b05c8c9379