graphics: change composer 2.1 to support allocator/mapper 3.0

Change composer 2.1's ComposerResources to support the new major versions
of IAllocator and IMapper.

Bug: 120493579
Test: vts
Change-Id: I888364d302ba8c7f7ad30070dcad3ed738b4c663
diff --git a/graphics/composer/2.3/default/Android.bp b/graphics/composer/2.3/default/Android.bp
index ad49ec3..07afd6c 100644
--- a/graphics/composer/2.3/default/Android.bp
+++ b/graphics/composer/2.3/default/Android.bp
@@ -29,6 +29,7 @@
         "android.hardware.graphics.composer@2.2",
         "android.hardware.graphics.composer@2.3",
         "android.hardware.graphics.mapper@2.0",
+        "android.hardware.graphics.mapper@3.0",
         "libbase",
         "libbinder",
         "libcutils",