tri-state-key: Add support for system variants

* SDM845 family of OnePlus devices on LineageOS use a prebuilt vendor.

Change-Id: I0bbb1ac2d97e49fcc2aa5d78138ae97cf6b536b8

tri-state-key/Android.bp

@@ -13,9 +13,9 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-cc_binary {
-    name: "tri-state-key_daemon",
-    init_rc: ["tri-state-key_daemon.rc"],
+cc_defaults {
+    name: "tri-state-key_defaults",
+    stem: "tri-state-key_daemon",
     srcs: [
         "main.cpp",
         "uevent_listener.cpp",
@@ -24,7 +24,6 @@ cc_binary {
         "-Wall",
         "-Werror",
     ],
-    vendor: true,
     shared_libs: [
         "libbase",
         "liblog",
@@ -32,3 +31,17 @@ cc_binary {
         "libutils",
     ],
 }
+
+cc_binary {
+    name: "tri-state-key_daemon",
+    defaults: ["tri-state-key_defaults"],
+    init_rc: ["tri-state-key_daemon.rc"],
+    system_ext_specific: true,
+}
+
+cc_binary {
+    name: "tri-state-key_daemon.vendor",
+    defaults: ["tri-state-key_defaults"],
+    init_rc: ["vendor.tri-state-key_daemon.rc"],
+    vendor: true,
+}

tri-state-key/tri-state-key_daemon.rc

@@ -2,9 +2,9 @@ on fs
     chown system system /sys/devices/platform/soc/soc:tri_state_key/hall_data_calib
     chown system system /mnt/vendor/persist/engineermode/tri_state_hall_data
 
-    start vendor.tri-state-key_daemon
+    start tri-state-key_daemon
 
-service vendor.tri-state-key_daemon /vendor/bin/tri-state-key_daemon
+service tri-state-key_daemon /system_ext/bin/tri-state-key_daemon
     class late_start
     user system
     group system uhid

tri-state-key/vendor.tri-state-key_daemon.rc

@@ -0,0 +1,10 @@
+on fs
+    chown system system /sys/devices/platform/soc/soc:tri_state_key/hall_data_calib
+    chown system system /mnt/vendor/persist/engineermode/tri_state_hall_data
+
+    start vendor.tri-state-key_daemon
+
+service vendor.tri-state-key_daemon /vendor/bin/tri-state-key_daemon
+    class late_start
+    user system
+    group system uhid