Camera: Add color temperature metadata tags

- Add metadata for manual color temperature feature
- Update COLOR_CORRECTION_AVAILABLE_MODES tag to include
existing supported color correction modes

Bug: 359409044
Flag: com.android.internal.camera.flags.color_temperature
Test: Camera CTS with flag disabled and enabled
Change-Id: Iabfa21cecc1dd1708dcd8ef0e72338d095ebcfc7
diff --git a/camera/camera_platform.aconfig b/camera/camera_platform.aconfig
index c9e8ffd..323b23a 100644
--- a/camera/camera_platform.aconfig
+++ b/camera/camera_platform.aconfig
@@ -195,3 +195,10 @@
     bug: "338621560"
 }
 
+flag {
+    namespace: "camera_platform"
+    name: "color_temperature"
+    description: "Add keys to manually set color temperature and color tint"
+    bug: "359409044"
+}
+