Disable Treble OMX by default.

Test: Manual use of Camera, Movies, Photos and YouTube apps.

Test: With CtsMediaTestCases.apk installed,
adb shell am instrument -e size small -w
'android.media.cts/android.support.test.runner.AndroidJUnitRunner'

Bug: 31399200
Bug: 37414171
Change-Id: Id9cfb13f0f6bce79e91db4f14181fb17809a7d4a
(cherry picked from commit de7b46f31f13a9126b81d1eabc1239d8ec5e8987)
diff --git a/device.mk b/device.mk
index 61cb2b5..16d6242 100644
--- a/device.mk
+++ b/device.mk
@@ -248,6 +248,10 @@
     ro.audio.monitorRotation=true \
     ro.frp.pst=/dev/block/platform/700b0600.sdhci/by-name/PST
 
+# Default OMX service to non-Treble
+PRODUCT_PROPERTY_OVERRIDES += \
+    persist.media.treble_omx=false
+
 # for keyboard key mappings
 PRODUCT_PACKAGES += \
     DragonKeyboard