libmemtrack: Add open method for msm8974.memtrack

Open method is used to dl-open the HAL for hidl.

Test: HIDL successfully loads the HAL
Bug: 31180823
Change-Id: I1b5f24328488e3194fd6b42a92da33e6e9fca8bb
Signed-off-by: Ruchi Kandoi <kandoiruchi@google.com>
1 file changed