Add toolchain/pgo-profiles to the manifest

Bug: http://b/63768402

Test: repo init with the new manifest
Change-Id: I0ffffb7f3312ec6c53dcc8f77f6c315ae233949b
Merged-In: I4e92e9ceb9125ff10b7bc8153b95a488bed7651b
1 file changed
tree: 396a9152e3770088a6f7c3b71f7608b044de8f10
  1. GLOBAL-PREUPLOAD.cfg
  2. default.xml