Add conicTo and conicToRelative to RemotePathScope

Add conicTo and conicToRelative functions to RemotePathScope DSL,
support them in RemotePathParser to RemotePath translation, and
support RemotePathScope builder blocks in RemoteOutline.Generic.

Test: ./gradlew :compose:remote:remote-creation-compose:test
Relnote: "Added `conicTo` and `conicToRelative` to `RemotePathScope`."
TAG=agy
CONV=a30c3400-5214-497c-bc52-e5927fb79c9a

Change-Id: Id49e51c1fee57f1f25506ea3f73e947d6580530c