add TestingCamera to mini for generic PDK

Change-Id: I8a04c48e173d8742bf852d242e2efc0577287608
diff --git a/target/product/mini.mk b/target/product/mini.mk
index 8a74428..177d594 100644
--- a/target/product/mini.mk
+++ b/target/product/mini.mk
@@ -205,3 +205,7 @@
 $(call inherit-product-if-exists, frameworks/base/data/keyboards/keyboards.mk)
 $(call inherit-product-if-exists, frameworks/base/data/fonts/fonts.mk)
 $(call inherit-product-if-exists, frameworks/base/data/sounds/AudioPackage5.mk)
+
+#----------------- For PDK ------------------------------
+PRODUCT_PACKAGES += \
+    TestingCamera