ANDROID: GKI: power-supply: Add CC_SOC power supply property

Add CC_SOC power supply property to expose cc soc status from the
qgauge and fuel gauge drivers.

Signed-off-by: Umang Agrawal <uagrawal@codeaurora.org>
(cherry picked from commit 5e3a95732dd66a48e88ef37d279198bd5fd3c4e6)
Signed-off-by: Mark Salyzyn <salyzyn@google.com>
Bug: 150789066
Change-Id: Iacfc77d97ce14c783338ad6ced0c7356a1a63c83