Ensure that /system/etc/vold.conf is created in the "generic" product.
This is necessary to let the emulator mount SD Card images properly through the "vold" mounting daemon
diff --git a/core/main.mk b/core/main.mk
index 37c580d..b33a7aa 100644
--- a/core/main.mk
+++ b/core/main.mk
@@ -209,6 +209,14 @@
$(warning implicitly installing apns-conf_sdk.xml)
endif
endif
+# Install a vold.conf file is one's not already being installed.
+ifeq (,$(filter %:system/etc/vold.conf, $(PRODUCT_COPY_FILES)))
+ PRODUCT_COPY_FILES += \
+ development/data/etc/vold.conf:system/etc/vold.conf
+ ifeq ($(filter eng tests,$(TARGET_BUILD_VARIANT)),)
+ $(warning implicitly installing vold.conf)
+ endif
+endif
# If we're on an eng or tests build, but not on the sdk, and we have
# a better one, use that instead.
ifneq ($(filter eng tests,$(TARGET_BUILD_VARIANT)),)
