Add fs_type to lpdump

Currently lpdump prints the dynamic partitions and fs_size,
fs_used. Add fs_type as well so we can know what file system
is being used.

Bug: 274918611
Test: lpdump --json
Test: atest CtsEdiHostTestCases
Change-Id: I8b40a5a2adab2b8be456f04798d72c220925cb17
Signed-off-by: Sandeep Dhavale <dhavale@google.com>
2 files changed