Reduce overhead by combining libskia and libhwui into a single library.

This is a multiproject change as we need to both the libraries
themselves as well as those that had dependencies on libskia.so

Bug: 31971097
Test: compile only
Change-Id: Ie6ff1f4682d03289205f4d6048cde9f95c61a90f
diff --git a/cmds/bootanimation/Android.mk b/cmds/bootanimation/Android.mk
index 73ec63f..559e8de 100644
--- a/cmds/bootanimation/Android.mk
+++ b/cmds/bootanimation/Android.mk
@@ -77,7 +77,7 @@
     libutils \
     libbinder \
     libui \
-    libskia \
+    libhwui \
     libEGL \
     libGLESv1_CM \
     libgui \