Updated Upstream (Paper)

Upstream has released updates that appears to apply and compile correctly

Paper Changes:
19ff55ef Update upstream B/CB
79710332 Update upstream CB
19de9af6 1.15.2 update (#2887)
d4ae43fc Updated Upstream (Bukkit/CraftBukkit)
9c2d9a5f [CI-SKIP] Rebuild patches
86a4b752 Fix items not falling correctly (Resolves #2835) (#2872)
35472de2 Port activation range improvement patch (#2763)
617f6033 Add effect to block break naturally (#2819)
f63cfe00 Updated Upstream (Bukkit/CraftBukkit)
00860e4e [CI-SKIP] rebuild patches
3d519668 Prevent sync chunk loads when villagers try to find beds (#2855)

patches/api/0018-Add-block-and-fluid-tick-events.patch

@@ -1,4 +1,4 @@
-From 086d06c91d3c358f3b7b0603530a5c668f488c76 Mon Sep 17 00:00:00 2001
+From cb458f71ac63c46f685c10bbf70b7a7db1328438 Mon Sep 17 00:00:00 2001
 From: William Blake Galbreath <blake.galbreath@gmail.com>
 Date: Fri, 18 Oct 2019 23:58:29 -0500
 Subject: [PATCH] Add block and fluid tick events
@@ -134,10 +134,10 @@ index 000000000..1a8f0b674
 +    }
 +}
 diff --git a/src/main/java/org/bukkit/World.java b/src/main/java/org/bukkit/World.java
-index 579b779aa..d6fd253e5 100644
+index b46b27194..72c83510e 100644
 --- a/src/main/java/org/bukkit/World.java
 +++ b/src/main/java/org/bukkit/World.java
-@@ -3064,6 +3064,36 @@ public interface World extends PluginMessageRecipient, Metadatable {
+@@ -3061,6 +3061,36 @@ public interface World extends PluginMessageRecipient, Metadatable {
      @NotNull
      public List<Raid> getRaids();