Update Crosshatch SVN to 49

Bug: 182937985
Change-Id: I1584c4c6ff5b880e17e5077eb8cf32170a40287f
(cherry picked from commit 8db05c378a3ea28b8254e018b1542c0e3b331616)
diff --git a/device.mk b/device.mk
index df3de18..f8bf381 100644
--- a/device.mk
+++ b/device.mk
@@ -841,7 +841,7 @@
 
 # Increment the SVN for any official public releases
 PRODUCT_PROPERTY_OVERRIDES += \
-    ro.vendor.build.svn=48
+    ro.vendor.build.svn=49
 
 PRODUCT_PRODUCT_PROPERTIES += \
     ro.adb.secure=1