Frameworks: Move Log holder to be preloaded

To avoid issues with late initialization, let the holder be
initialized in the zygote.

(cherry picked from commit 61a3e8c23a7c62c389433113802a0d74f4ab53cf)

Bug: 65927416
Test: m
Merged-In: I6f454df46d4c64d295e1f2510793d5087b74fb74
Change-Id: I6f454df46d4c64d295e1f2510793d5087b74fb74
diff --git a/preloaded-classes b/preloaded-classes
index c1896aa..8233b03 100644
--- a/preloaded-classes
+++ b/preloaded-classes
@@ -2286,6 +2286,7 @@
 android.util.Log
 android.util.Log$1
 android.util.Log$ImmediateLogWriter
+android.util.Log$PreloadHolder
 android.util.Log$TerribleFailure
 android.util.Log$TerribleFailureHandler
 android.util.LogPrinter