Create flag for sensor service

Bug: 307782607
Test: Compile
Change-Id: Idb6f9fea9af3cbcfd829ba177ca531aed5e50009
diff --git a/services/sensorservice/Android.bp b/services/sensorservice/Android.bp
index 11c56a8..0dd4dd6 100644
--- a/services/sensorservice/Android.bp
+++ b/services/sensorservice/Android.bp
@@ -7,6 +7,18 @@
     default_applicable_licenses: ["frameworks_native_license"],
 }
 
+aconfig_declarations {
+    name: "sensorservice_flags",
+    package: "com.android.frameworks.sensorservice.flags",
+    srcs: ["senserservice_flags.aconfig"],
+}
+
+cc_aconfig_library {
+    name: "sensorservice_flags_c_lib",
+    aconfig_declarations: "dynamic_sensors_flags",
+    host_supported: true,
+}
+
 cc_library {
     name: "libsensorservice",
 
diff --git a/services/sensorservice/senserservice_flags.aconfig b/services/sensorservice/senserservice_flags.aconfig
new file mode 100644
index 0000000..6b74f6f
--- /dev/null
+++ b/services/sensorservice/senserservice_flags.aconfig
@@ -0,0 +1,8 @@
+package: "com.android.frameworks.sensorservice.flags"
+
+flag {
+  name: "dynamic_sensor_hal_reconnect_handling"
+  namespace: "sensors"
+  description: "This flag controls if the dynamic sensor data will be clean up after HAL is disconnected."
+  bug: "307782607"
+}
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