Camera: Add single thread device executor flag

Introduce a new release flag controlling the single
thread executor behavior within the camera device
implementation.

Bug: 305857746
Test: Succesfull Build
Change-Id: I7c631cd8a44f314edb9c0ac20785a22ae68e5433
diff --git a/camera/camera_platform.aconfig b/camera/camera_platform.aconfig
index 8e455c6..f4657ca 100644
--- a/camera/camera_platform.aconfig
+++ b/camera/camera_platform.aconfig
@@ -155,6 +155,16 @@
 
 flag {
      namespace: "camera_platform"
+     name: "single_thread_executor"
+     description: "Ensure device logic is run within one thread."
+     bug: "305857746"
+     metadata {
+       purpose: PURPOSE_BUGFIX
+     }
+}
+
+flag {
+     namespace: "camera_platform"
      name: "surface_leak_fix"
      description: "Address Surface release leaks in CaptureRequest"
      bug: "324071855"