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/media/jni/Android.bp b/media/jni/Android.bp
index 02667ca..1d85c97 100644
--- a/media/jni/Android.bp
+++ b/media/jni/Android.bp
@@ -38,7 +38,7 @@
         "libmediametrics",
         "libmediadrm",
         "libmidi",
-        "libskia",
+        "libhwui",
         "libui",
         "liblog",
         "libcutils",