Exclude from instruction coverage as hard to test security exception case in this module

(cherry picked from commit 640cddb)

Author: mcculls

internal-api/build.gradle

@@ -215,7 +215,11 @@ excludedClassesBranchCoverage = [
   'datadog.trace.util.stacktrace.HotSpotStackWalker',
   'datadog.trace.util.stacktrace.StackWalkerFactory'
 ]
-excludedClassesInstructionCoverage = ['datadog.trace.util.stacktrace.StackWalkerFactory']
+excludedClassesInstructionCoverage = [
+  'datadog.trace.bootstrap.config.provider.EnvironmentConfigSource',
+  'datadog.trace.bootstrap.config.provider.SystemPropertiesConfigSource',
+  'datadog.trace.util.stacktrace.StackWalkerFactory'
+]
 
 compileTestJava.dependsOn 'generateTestClassNameTries'