add components necessary for bootanim to animation class

- necessary for running shutdown animation:
 android.hardware.graphics.composer
 android.hardware.graphics.allocator
 android.hardware.configstore

bug: 36526187
Test: many reboots
Change-Id: Iba3eefddd2bd33c28152c17081a4ad13619d330d
diff --git a/graphics/composer/2.1/default/android.hardware.graphics.composer@2.1-service.rc b/graphics/composer/2.1/default/android.hardware.graphics.composer@2.1-service.rc
index b6060db..51b0e3b 100644
--- a/graphics/composer/2.1/default/android.hardware.graphics.composer@2.1-service.rc
+++ b/graphics/composer/2.1/default/android.hardware.graphics.composer@2.1-service.rc
@@ -1,5 +1,5 @@
 service hwcomposer-2-1 /vendor/bin/hw/android.hardware.graphics.composer@2.1-service
-    class hal
+    class hal animation
     user system
     group graphics drmrpc
     capabilities SYS_NICE