Camera: Add metrics for zoom override usage

Test: Verify locally that zoom override usage is detected correctly
Bug: 307409002
Change-Id: I0c1783e278ea7ead1df48ae59ec846d6640c0feb
diff --git a/camera/camera_platform.aconfig b/camera/camera_platform.aconfig
index 33eb592..2ba2a83 100644
--- a/camera/camera_platform.aconfig
+++ b/camera/camera_platform.aconfig
@@ -27,3 +27,10 @@
      description: "Use waitForService instead of getService with lazy AIDL HALs"
      bug: "285546208"
 }
+
+flag {
+     namespace: "camera_platform"
+     name: "log_zoom_override_usage"
+     description: "Enable measuring how much usage there is for zoom settings overrde"
+     bug: "307409002"
+}