ANDROID: GKI: power_supply: Add PROP_MOISTURE_DETECTION_ENABLED

Add a power supply prop to enable/disable moisture detection.

Bug: 148999666
Change-Id: Ie5b3b721a7f8513990de798288fbf4dea361e5ed
Signed-off-by: Badhri Jagan Sridharan <badhri@google.com>
(cherry picked from commit 84afb7d015a12d7933e1729856e5091166c2ab7c)
Signed-off-by: rickyniu <rickyniu@google.com>
(cherry picked from commit 50d8261cd912d185c7602bb7f8960b4d4c8e7362)
Signed-off-by: Saravana Kannan <saravanak@google.com>