msm8226-common: Add the ethernet feature

Enables Ethernet via OTG adapters. Taken from https://github.com/CyanogenMod/android_device_oppo_msm8974-common/commit/05e29366c7356318e3fc320b7532c903f55d9ac7

Signed-off-by: anerikg <anerikgames@gmail.com>
msm8226-common: Override camera2.portability.force_api property

Possible camera fix. Taken from https://github.com/Alberto97/android_device_motorola_falcon/commit/43d6df355012e5a44a6c49ba5b18c8d84fb2774e

Signed-off-by: anerikg <anerikgames@gmail.com>