Add TemporaryFile class

Added support for creating temporary file
- Constructor creates the temporary file.
- Destructor deletes the file.
- Provided remove function to delete th

Add TemporaryFile class

Added support for creating temporary file
- Constructor creates the temporary file.
- Destructor deletes the file.
- Provided remove function to delete the file.

Signed-off-by: Jayanth Othayoth <ojayanth@in.ibm.com>
Change-Id: I2a5e81af8cf4f4621e5ec6437b936126b7e9ba5a

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