Download standalone clang .tgz instead of .tar.xz
A couple of Windows machines I checked do not know how to decompress xz
archives.
Switch back to using gz archives, which were used before
6c75b643dc0d("standalone: uprev to clang-19").
This also switches on linux_x64 for consistency.
Change-Id: Iae9fac7ac77934a16a0f9eae690520d83c3fb22c
Perfetto is a production-grade open-source stack for performance instrumentation and trace analysis. It offers services and libraries and for recording system-level and app-level traces, native + java heap profiling, a library for analyzing traces using SQL and a web-based UI to visualize and explore multi-GB traces.
See https://perfetto.dev/docs or the /docs/ directory for documentation.