TestingCamera1/2: Disable dex preopt

Since neither app is included in a system image by default, we want
the APKs to be portable. This requires never getting dex preopted.

Bug: 22959669
Change-Id: I5945720106aaf7294b295ce4a5adcc53f7217488
diff --git a/apps/TestingCamera/Android.mk b/apps/TestingCamera/Android.mk
index e6829fd..9b9129a 100644
--- a/apps/TestingCamera/Android.mk
+++ b/apps/TestingCamera/Android.mk
@@ -27,6 +27,8 @@
 	$(call all-java-files-under, src) \
 	$(call all-renderscript-files-under, src)
 
+LOCAL_DEX_PREOPT := false
+
 LOCAL_PACKAGE_NAME := TestingCamera
 
 include $(BUILD_PACKAGE)
diff --git a/apps/TestingCamera2/Android.mk b/apps/TestingCamera2/Android.mk
index 868de25..983feae 100644
--- a/apps/TestingCamera2/Android.mk
+++ b/apps/TestingCamera2/Android.mk
@@ -28,6 +28,8 @@
 	$(call all-java-files-under, src) \
 	$(call all-renderscript-files-under, src)
 
+LOCAL_DEX_PREOPT := false
+
 LOCAL_PACKAGE_NAME := TestingCamera2
 
 include $(BUILD_PACKAGE)