Enable zram for angler.

3.15 zram + LZ4 + max_comp_streams = 4.

bug 23331135

Change-Id: Ie82095beb504a31ea02e7b03356e7c7d6a32259c
diff --git a/init.angler.rc b/init.angler.rc
index e30da2f..0537ef0 100755
--- a/init.angler.rc
+++ b/init.angler.rc
@@ -34,9 +34,14 @@
     symlink /sdcard /mnt/sdcard
     symlink /sdcard /storage/sdcard0
 
+    # Setup zram options
+    write /sys/block/zram0/comp_algorithm lz4
+    write /sys/block/zram0/max_comp_streams 4
+
 on fs
     symlink /dev/block/platform/soc.0/f9824900.sdhci /dev/block/bootdevice
     mount_all ./fstab.angler
+    swapon_all ./fstab.angler
 
     restorecon_recursive /persist
     mkdir /persist/data/sfs 0700 system system