[GR-8847] Update usages of deprecated interop Truffle API.

...ngine/src/com/oracle/truffle/r/engine/EngineRootNode.java

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

...m/oracle/truffle/r/ffi/impl/nodes/MathFunctionsNodes.java

...her/src/com/oracle/truffle/r/launcher/RscriptCommand.java

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

...acle/truffle/r/nodes/builtin/base/BaseGammaFunctions.java

...cle/truffle/r/nodes/builtin/base/ConnectionFunctions.java

...in/src/com/oracle/truffle/r/nodes/builtin/base/Names.java

...n/src/com/oracle/truffle/r/nodes/builtin/base/Unlist.java

...om/oracle/truffle/r/nodes/builtin/fastr/FastRContext.java

...c/com/oracle/truffle/r/nodes/builtin/fastr/FastRHelp.java

...om/oracle/truffle/r/nodes/builtin/fastr/FastRInterop.java

...om/oracle/truffle/r/nodes/castsTests/CastBuilderTest.java

.../src/com/oracle/truffle/r/nodes/test/SpecialCallTest.java

...acle/truffle/r/nodes/access/vector/ExtractVectorNode.java

...acle/truffle/r/nodes/access/vector/ReplaceVectorNode.java

...nodes/builtin/casts/analysis/ForwardedValuesAnalyser.java