Add Sensors HAL 2.1

Creates Sensors HAL 2.1 to support the addition of a new sensor type for
hinge angle sensors.

Bug: 144139857
Test: mma
Change-Id: Id78fb16324d28f2291b3ad1950197bfd2632d6f4
diff --git a/sensors/2.1/Android.bp b/sensors/2.1/Android.bp
new file mode 100644
index 0000000..8e80e1f
--- /dev/null
+++ b/sensors/2.1/Android.bp
@@ -0,0 +1,21 @@
+// This file is autogenerated by hidl-gen -Landroidbp.
+
+hidl_interface {
+    name: "android.hardware.sensors@2.1",
+    root: "android.hardware",
+    vndk: {
+        enabled: true,
+    },
+    srcs: [
+        "types.hal",
+        "ISensors.hal",
+        "ISensorsCallback.hal",
+    ],
+    interfaces: [
+        "android.hardware.sensors@1.0",
+        "android.hardware.sensors@2.0",
+        "android.hidl.base@1.0",
+    ],
+    gen_java: false,
+    gen_java_constants: true,
+}