Fix/gradle args with spaces

[keeganjm-bsc]

• All tests passed. If this feature is not already covered by the tests, I added new tests.
• All static analysis checks passed.
• This pull request is on the dev branch.
• I used gofmt for formatting the code before submitting the pull request.

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[keeganjm-bsc]

This PR is related to jfrog/jfrog-cli#921 and jfrog/jfrog-cli#2029 is needed to pass in multiple tags with space. For example:
-Dkarate.options="--tags=@smoke --tags=~@regression"

This command fails when being passed as the gradle command using jfrog cli like so
'jfrog rt gradle clean assemble myTest -Dkarate.options="--tags=@smoke --tags=~@regression"'

Currently the gradleCmd is not taking the complete value of -Dkarate.options and is interpreting the white space in the command as a break in the cmd line argument for -Dkarate.options and is then looking at --tags as a commandline argument. Here is an example of how it is appearing in the logs.

'jfrog rt gradle clean assemble myTest -Dkarate.options=--tags=@smoke --tags=~@regression'

Note the space after '@smoke'. This is what appears to be causing us issues. As the error coming into our logs is saying --tags is not a command line argument.