Fabien Sanglard 2d34e76dac Add --trace_folder to aapt2 ...

Add a tracing API and instrument key functions in order to profile
aapt2 bottleneck. The API allows to generate systrace fragment files.

Impact on performance is neglibible with each Trace requiring less
than 1us and the final Flush operation at the end of a command
requiring around 40us.

Bug: None
Test: None
Change-Id: I51b564d3694e9384679f43b878b32295527dddf6

2019-03-05 15:09:27 -08:00

11 KiB

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