AndroidBoot: disable parallel download flash

Change-Id: I568cbae192a5de37336144c4a1e83ba7d5a93a77
Signed-off-by: Alexander Martinz <amartinz@shiftphones.com>
diff --git a/AndroidBoot.mk b/AndroidBoot.mk
index 25097db..7bf0170 100644
--- a/AndroidBoot.mk
+++ b/AndroidBoot.mk
@@ -31,7 +31,7 @@
 		       AR=$(ANDROID_TOP)/$(HOST_AR)
 PREBUILT_PYTHON_PATH=$(ANDROID_TOP)/prebuilts/python/linux-x86/2.7.5/bin/python2
 
-DISABLE_PARALLEL_DOWNLOAD_FLASH := DISABLE_PARALLEL_DOWNLOAD_FLASH=0
+DISABLE_PARALLEL_DOWNLOAD_FLASH := DISABLE_PARALLEL_DOWNLOAD_FLASH=1
 ifeq ($(PRODUCT_SUPPORTS_VERITY),true)
 	VERIFIED_BOOT := VERIFIED_BOOT=1
 else