Rename PGO profile archive

The new name will allow distinguishing PGO profiles and BOLT
profiles.

Test: presubmit
Bug: 219872481
Change-Id: Ia1072e9d158d7680be5ddd44a91ee21a8aa35e6b
diff --git a/paths.py b/paths.py
index 695308d..c6a85a4 100644
--- a/paths.py
+++ b/paths.py
@@ -82,7 +82,8 @@
 
 
 def pgo_profdata_tarname() -> str:
-    return pgo_profdata_filename() + '.tar.bz2'
+    svn_revision = android_version.get_svn_revision_number()
+    return f'pgo-{svn_revision}.tar.bz2'
 
 
 def pgo_profdata_tar() -> Optional[Path]: