create_reference_dumps.py: Change lsdump_paths.txt to newline-separated paths

Split the content of lsdump_paths.txt with newline.

Bug: 111814844
Test: m vndk findlsdumps -j18
Test: ./utils/create_reference_dumps.py -products aosp_arm64
Change-Id: I76ed008382fff8589d29ab97720d262a7636d523
1 file changed