camera: add info about current status into README

Test: n/a.
Change-Id: I9e62a8a6d8c04dac2c36bc483f011cb75ce20b2e
Signed-off-by: Sergii Piatakov <sergii.piatakov@globallogic.com>
diff --git a/modules/camera/3_4/README.md b/modules/camera/3_4/README.md
index 168ba97..8c682e9 100644
--- a/modules/camera/3_4/README.md
+++ b/modules/camera/3_4/README.md
@@ -6,6 +6,14 @@
 introduce some [caveats](#V4L2-Deficiencies), causing this HAL to
 not be fully spec-compliant.
 
+## Current status
+
+People are free to use that library if that works for their purpose,
+but it's not maintained by Android Camera team. There is another V4L2
+camera HAL implementation which is maintained by Android Camera team
+starting in Android P. See more information
+[here](https://source.android.com/devices/camera/external-usb-cameras).
+
 ## Building a Device with the HAL
 
 To ensure the HAL is built for a device, include the following in your