sepolicy: vendor: label extcon files

Bug: 199748390
Test: boot with those files labeled
09-13 17:01:44.542  1865  1865 I auditd  : type=1400 audit(0.0:5):
avc: denied { read } for comm="android.ui" name="extcon3" dev="sysfs"
ino=61612 scontext=u:r:system_server:s0 tcontext=u:object_r:sysfs:s0
tclass=dir permissive=0
Change-Id: Iabab1243ce7259d46040901a2a734b5962d281a5

Change-Id: I5f4258fa710ebda4a4034ca5dfff316712c2cf57
Signed-off-by: basamaryan <basam.aryan@gmail.com>

sepolicy/generic/vendor/common/genfs_contexts

@@ -1,2 +1,10 @@
+# Extcon for 4.14 targets
+genfscon sysfs /devices/platform/soc/soc:qcom,msm-ext-disp/extcon            u:object_r:sysfs_extcon:s0
+genfscon sysfs /devices/platform/soc/88e0000.qcom,msm-eud/extcon             u:object_r:sysfs_extcon:s0
+genfscon sysfs /devices/platform/soc/c440000.qcom,spmi/spmi-0/spmi0-00/c440000.qcom,spmi:qcom,pm6150@0:qcom,qpnp-smb5/extcon u:object_r:sysfs_extcon:s0
+genfscon sysfs /devices/platform/soc/c440000.qcom,spmi/spmi-0/spmi0-00/c440000.qcom,spmi:qcom,pm6150@0:qcom,usb-pdphy@1700/extcon u:object_r:sysfs_extcon:s0
+genfscon sysfs /devices/platform/soc/c440000.qcom,spmi/spmi-0/spmi0-02/c440000.qcom,spmi:qcom,pm8150b@2:qcom,qpnp-smb5/extcon/extcon u:object_r:sysfs_extcon:s0
+genfscon sysfs /devices/platform/soc/c440000.qcom,spmi/spmi-0/spmi0-02/c440000.qcom,spmi:qcom,pm8150b@2:qcom,usb-pdphy@1700/extcon/extcon u:object_r:sysfs_extcon:s0
+
 # healthd-ext
 genfscon sysfs /devices/platform/soc/soc:qcom,pmic_glink/soc:qcom,pmic_glink:qcom,ucsi/power_supply/ucsi-source-psy-soc:qcom,pmic_glink:qcom,ucsi1 u:object_r:vendor_sysfs_battery_supply:s0