feat(env): Migrate agent bootstrap to environment component

Author: PerfectSlayer

dd-java-agent/src/main/java/datadog/trace/bootstrap/AgentBootstrap.java

@@ -152,12 +152,12 @@ private static void agentmainImpl(
     if (agentClass.getClassLoader() != null) {
       throw new IllegalStateException("DD Java Agent NOT added to bootstrap classpath.");
     }
-    final Method startMethod =
-        agentClass.getMethod("start", Object.class, Instrumentation.class, URL.class, String.class);
-
     try {
+      final Method startMethod =
+          agentClass.getMethod(
+              "start", Object.class, Instrumentation.class, URL.class, String.class);
       startMethod.invoke(null, initTelemetry, inst, agentJarURL, agentArgs);
-    } catch (ReflectiveOperationException | LinkageError e) {
+    } catch (Throwable e) {
       throw new IllegalStateException("Unable to start DD Java Agent.", e);
     }
   }

dd-java-agent/src/main/java6/datadog/trace/bootstrap/AgentPreCheck.java

@@ -101,12 +101,9 @@ static boolean compatible(String javaVersion, String javaHome, PrintStream outpu
 
     reportIncompatibleJava(javaVersion, javaHome, agentVersion, output);
 
-    try {
-      String forwarderPath = System.getenv("DD_TELEMETRY_FORWARDER_PATH");
-      if (forwarderPath != null) {
-        sendTelemetry(forwarderPath, javaVersion, agentVersion);
-      }
-    } catch (SecurityException ignored) {
+    String forwarderPath = System.getenv("DD_TELEMETRY_FORWARDER_PATH");
+    if (forwarderPath != null) {
+      sendTelemetry(forwarderPath, javaVersion, agentVersion);
     }
 
     return false;