Migrate 25 crates to monorepo.

pin-project
pin-project-internal
pin-project-lite
pkcs1
pkcs8
plotters-backend
plotters-svg
ppv-lite86
predicates-core
predicates-tree
prettyplease
proc-macro2
rand
rand_chacha
rand_core
rand_xorshift
rayon
rayon-core
regex
regex-syntax
rusqlite
rustc-demangle
rustc-hash
rustversion
scopeguard

Bug: 339424309
Test: treehugger
Change-Id: I909afc265df86754d4dc934610409e711c123e15
3 files changed