added Java code for count all the palindromic subsequence

[Manish-Rawat-1186]

• [x] I have read CONTRIBUTING.md.
• [x] This pull request is all my own work -- I have not plagiarized it.
• [x] All filenames are in PascalCase.
• [x] All functions and variable names follow Java naming conventions.
• [ ] All new algorithms have a URL in their comments that points to Wikipedia or other similar explanations.

[Manish-Rawat-1186]

My code also pass all the 3 test cases

[Manish-Rawat-1186]

I don't know how to use clang format and I try a lot there are some software but they don't support Linux, so if you have any idea about how to make clang format please let me know.

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This pull request has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contribution!

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