[GR-7232] [GR-9217] Improve naming of the interop and SVG builtins.

ci.hocon

...fle.r.engine/src/com/oracle/truffle/r/engine/REngine.java

...c/com/oracle/truffle/r/engine/interop/REnvironmentMR.java

...gine/src/com/oracle/truffle/r/engine/shell/REmbedded.java

.../com/oracle/truffle/r/ffi/impl/llvm/TruffleLLVM_Call.java

...r/ffi/impl/llvm/upcalls/BytesToNativeCharArrayCallMR.java

...ruffle/r/ffi/impl/nfi/TruffleNFI_DownCallNodeFactory.java

.../truffle/r/library/fastrGrid/FastRGridExternalLookup.java

.../oracle/truffle/r/library/fastrGrid/device/SVGDevice.java

...fle/r/library/fastrGrid/grDevices/InitWindowedDevice.java

...ruffle/r/library/fastrGrid/grDevices/R/fastrGridDevices.R

...om/oracle/truffle/r/library/fastrGrid/grDevices/Rd/awt.Rd

...racle/truffle/r/library/fastrGrid/grDevices/Rd/svg.off.Rd

...le/truffle/r/library/fastrGrid/grDevices/Rd/svg.string.Rd

...acle/truffle/r/library/fastrGrid/grDevices/SvgString.java

....library/src/com/oracle/truffle/r/library/utils/R/utils.R

com.oracle.truffle.r.native/run/Makefile

com.oracle.truffle.r.native/run/R.sh

com.oracle.truffle.r.native/run/Rscript.sh

com.oracle.truffle.r.native/run/Rscript_exec.sh