move init.insmod.sh to common place

Bug: 143338171
Test: boot to home with no avc error
Change-Id: I8dfeddffa3a7469223b68a80d6ae2fba847b5c15
diff --git a/common/property_contexts b/common/property_contexts
new file mode 100644
index 0000000..8343ea5
--- /dev/null
+++ b/common/property_contexts
@@ -0,0 +1,2 @@
+vendor.all.modules.ready                        u:object_r:vendor_device_prop:s0
+vendor.all.devices.ready                        u:object_r:vendor_device_prop:s0