device.mk: Add a camera test library to packages

Adds libgoogle_camera_hal_proprietary_tests to packages.

Also guards both test libraries to debug builds only.

Bug: 142818926
Test: Presubmit builds/tests
Change-Id: I31f107a447ac1c65281f817393c162bad8487dd5
diff --git a/device.mk b/device.mk
index c85054e..5bf3778 100644
--- a/device.mk
+++ b/device.mk
@@ -460,12 +460,18 @@
     camera.device@3.2-impl \
     camera.sdm710 \
     libgooglecamerahal \
-    libgoogle_camera_hal_tests \
     libqomx_core \
     libmmjpeg_interface \
     libmmcamera_interface \
     libcameradepthcalibrator
 
+# Google Camera HAL test libraries in debug builds
+ifneq (,$(filter userdebug eng, $(TARGET_BUILD_VARIANT)))
+PRODUCT_PACKAGES += \
+    libgoogle_camera_hal_proprietary_tests \
+    libgoogle_camera_hal_tests
+endif
+
 PRODUCT_PACKAGES += \
     sensors.$(PRODUCT_HARDWARE) \
     android.hardware.sensors@2.0-impl \