Address comments from @mwunderl

- Revert changes to 5-invoke.sh script after noting config change
- Update function timeout from 10s -> 30s in CFN stack templates

Author: yualexan

sample-apps/s3-java/5-invoke.sh

@@ -9,7 +9,7 @@ if [ ! -f event.json ]; then
 
 fi
 while true; do
-  aws lambda invoke --function-name $FUNCTION --payload file://event.json out.json --cli-binary-format raw-in-base64-out
+  aws lambda invoke --function-name $FUNCTION --payload file://event.json out.json
   cat out.json
   echo ""
   sleep 2

sample-apps/s3-java/template-mvn.yml

@@ -13,7 +13,7 @@ Resources:
       Runtime: java8
       Description: Java function
       MemorySize: 512
-      Timeout: 10
+      Timeout: 30
       # Function's execution role
       Policies:
         - AWSLambdaBasicExecutionRole

sample-apps/s3-java/template.yml

@@ -13,7 +13,7 @@ Resources:
       Runtime: java8
       Description: Java function
       MemorySize: 512
-      Timeout: 10
+      Timeout: 30
       # Function's execution role
       Policies:
         - AWSLambdaBasicExecutionRole