Shrink the data partition to 4 GB

BUG: 75326723
Test: TreeHugger
Change-Id: I71a9faa56ce6359a7db17e8bd416974937bf973f
diff --git a/shared/BoardConfig.mk b/shared/BoardConfig.mk
index c0712c0..60a9dcb 100644
--- a/shared/BoardConfig.mk
+++ b/shared/BoardConfig.mk
@@ -45,8 +45,8 @@
 
 # System partition size: 3.0G
 BOARD_SYSTEMIMAGE_PARTITION_SIZE := 3221225472
-# Make the userdata partition 12G to accomodate ASAN and CTS
-BOARD_USERDATAIMAGE_PARTITION_SIZE := 12884901888
+# Make the userdata partition 4G to accomodate ASAN and CTS
+BOARD_USERDATAIMAGE_PARTITION_SIZE := 4294967296
 
 # Cache partition size: 64M
 BOARD_CACHEIMAGE_PARTITION_SIZE := 67108864