AWS X-Ray config module for Lambda instrumentation

[bhautikpip]

Draft as waiting on merge of #882 . Currently based off #882 source so will require a quick rebase before being opened as full PR.

Changes not included in #882 are found in commit eef81a9 and later

[bhautikpip]

@Aneurysm9 @MrAlias @dashpole @punya Feel free to take a look on this PR.

[willarmiros]

Thanks, lgtm with just a few small comments!

[willarmiros]

Made a suggestion.

[bhautikpip]

@Aneurysm9 addressed your comments!

[willarmiros]

@MrAlias Could you take a quick look at this PR if you have a chance?

[Aneurysm9]

This test needs to be fixed:

=== RUN   TestWrapEndToEnd
    xrayconfig_test.go:137: 
        	Error Trace:	xrayconfig_test.go:137
        	            				xrayconfig_test.go:176
        	Error:      	Not equal: 
        	            	expected: &v1.InstrumentationLibrary{state:impl.MessageState{NoUnkeyedLiterals:pragma.NoUnkeyedLiterals{}, DoNotCompare:pragma.DoNotCompare{}, DoNotCopy:pragma.DoNotCopy{}, atomicMessageInfo:(*impl.MessageInfo)(nil)}, sizeCache:0, unknownFields:[]uint8(nil), Name:"go.opentelemetry.io/contrib/instrumentation/github.com/aws/aws-lambda-go/otellambda", Version:"semver:0.24.0"}
        	            	actual  : &v1.InstrumentationLibrary{state:impl.MessageState{NoUnkeyedLiterals:pragma.NoUnkeyedLiterals{}, DoNotCompare:pragma.DoNotCompare{}, DoNotCopy:pragma.DoNotCopy{}, atomicMessageInfo:(*impl.MessageInfo)(nil)}, sizeCache:0, unknownFields:[]uint8(nil), Name:"go.opentelemetry.io/contrib/instrumentation/github.com/aws/aws-lambda-go/otellambda", Version:"semver:0.25.0"}
        	            	
        	            	Diff:
        	            	--- Expected
        	            	+++ Actual
        	            	@@ -13,3 +13,3 @@
        	            	  Name: (string) (len=83) "go.opentelemetry.io/contrib/instrumentation/github.com/aws/aws-lambda-go/otellambda",
        	            	- Version: (string) (len=13) "semver:0.24.0"
        	            	+ Version: (string) (len=13) "semver:0.25.0"
        	            	 })
        	Test:       	TestWrapEndToEnd
--- FAIL: TestWrapEndToEnd (0.17s)

[Aneurysm9]

Once the test failure is fixed, this looks good to me.

[jmacd]

(assuming the above suggestions are resolved!)

[alolita]

@dashpole @Aneurysm9 can you please re-review?

[alolita]

Thanks! @jmacd @dashpole @Aneurysm9