Convert orderfileDepsMutator and orderfileMutator to a TransitionMutator
as a step towards variants-on-demand.
Bug: 319288033
Test: orderfile_test.go
Change-Id: I27df65b7264a5b059a900e7ea04c18dfb2787a84
The orderfile use flags are unused as cflags causing warnings which becomes errors in some order file builds
In addition, I fixed the test cases so it only looks at ldflags not cflags for orderfile use flags.
Test: mma build/soong
Output: #### build completed successfully (05:14 (mm:ss)) ####
Change-Id: I2a2d846d6688fd5256cf753267c000ff054d56f1
In addition, I added a test file to check if flags are added and propagated correctly.
Test: mma build/soong
Output: #### build completed successfully (07:24 (mm:ss)) ####
For testing with an actual binary or shared library, steps are in this
README:
https://android.googlesource.com/toolchain/pgo-profiles/+/refs/heads/main/orderfiles/README.md
Change-Id: Idcf169156ef691bcacb8adc92828ef09450085f8
