Enable annotation parsing in profman

Class and method samples can now be annotated with the package that
generated then by using "{annotation}" prefix in front of a profile line.

This is a pre-step for allowing the testing of boot image profile
generation in profman.

Test: gtest
Bug: 152574358
Change-Id: Ibd5e459ae8d6ae0ca1407d0937872b82f1eb2572
1 file changed