[RDK-52502] added new mount/unmount APIs #70

Job	Run time
Build in Release Mode (RUN_TESTS)	2m 21s
Build in Release Mode (-DLEGACY_COMPONENTS=ON)	1m 57s
Build in Release Mode (-DLEGACY_COMPONENTS=OFF)	2m 4s
Build in Release Mode (-DUSE_SYSTEMD=ON)	2m 9s
Build in Release Mode (-DUSE_SYSTEMD=OFF)	2m 18s
Build in Release Mode (-DDOBBY_HIBERNATE_MEMCR_IMPL=ON)	2m 2s
Build in Release Mode (-DDOBBY_HIBERNATE_MEMCR_IMPL=OFF)	1m 43s
Build in Debug Mode (RUN_TESTS)	2m 56s
Build in Debug Mode (-DLEGACY_COMPONENTS=ON)	1m 46s
Build in Debug Mode (-DLEGACY_COMPONENTS=OFF)	1m 34s
Build in Debug Mode (-DUSE_SYSTEMD=ON)	1m 40s
Build in Debug Mode (-DUSE_SYSTEMD=OFF)	1m 39s
Build in Debug Mode (-DDOBBY_HIBERNATE_MEMCR_IMPL=ON)	1m 57s
Build in Debug Mode (-DDOBBY_HIBERNATE_MEMCR_IMPL=OFF)	1m 41s
	27m 47s

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