Add default impl of Sensors HAL 2.1

Create a default implementation of HAL 2.1 that shares 90% of the
underlying code with HAL 2.0 since the interfaces are very similar.

Bug: 144139857
Test: compile
Change-Id: Ic6b139df98ddb1f92833b1f2d65e1cecc297fd41
diff --git a/sensors/common/default/2.X/Android.bp b/sensors/common/default/2.X/Android.bp
new file mode 100644
index 0000000..ea75a10
--- /dev/null
+++ b/sensors/common/default/2.X/Android.bp
@@ -0,0 +1,36 @@
+//
+// Copyright (C) 2020 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+cc_library_static {
+    name: "android.hardware.sensors@2.X-shared-impl",
+    vendor: true,
+    export_include_dirs: ["."],
+    srcs: [
+        "Sensor.cpp",
+    ],
+    header_libs: [
+        "android.hardware.sensors@2.X-shared-utils",
+    ],
+    shared_libs: [
+        "android.hardware.sensors@1.0",
+        "android.hardware.sensors@2.0",
+        "libcutils",
+        "libfmq",
+        "libhidlbase",
+        "liblog",
+        "libpower",
+        "libutils",
+    ],
+}