Add UpsideDownCake to aapt2 codenames and android.os.Build

Bug: 219519679#
Bug: 269470863
Test: m checkbuild
Change-Id: I2b668d1cd875657b27a1d52bda21f238d7020862
(cherry picked from commit d27566da4cc7e0de8efe00140fe28db1536bef43)
Merged-In: I2b668d1cd875657b27a1d52bda21f238d7020862

core/api/current.txt

diff --git a/core/api/current.txt b/core/api/current.txt
index c8a43db..8fb0d67 100644
--- a/core/api/current.txt
+++ b/core/api/current.txt
@@ -30978,6 +30978,7 @@
     field public static final int S = 31; // 0x1f
     field public static final int S_V2 = 32; // 0x20
     field public static final int TIRAMISU = 33; // 0x21
+    field public static final int UPSIDE_DOWN_CAKE = 10000; // 0x2710
   }
 
   public final class Bundle extends android.os.BaseBundle implements java.lang.Cloneable android.os.Parcelable {

core/java/android/os/Build.java

diff --git a/core/java/android/os/Build.java b/core/java/android/os/Build.java
index 0b956f8..dbd602f 100755
--- a/core/java/android/os/Build.java
+++ b/core/java/android/os/Build.java
@@ -1167,6 +1167,11 @@
          * Tiramisu.
          */
         public static final int TIRAMISU = 33;
+
+        /**
+         * Upside Down Cake.
+         */
+        public static final int UPSIDE_DOWN_CAKE = CUR_DEVELOPMENT;
     }
 
     /** The type of build, like "user" or "eng". */

tools/aapt2/SdkConstants.cpp

diff --git a/tools/aapt2/SdkConstants.cpp b/tools/aapt2/SdkConstants.cpp
index 8ea43abf..34e8edb 100644
--- a/tools/aapt2/SdkConstants.cpp
+++ b/tools/aapt2/SdkConstants.cpp
@@ -27,7 +27,7 @@
 
 static ApiVersion sDevelopmentSdkLevel = 10000;
 static const auto sDevelopmentSdkCodeNames =
-    std::unordered_set<StringPiece>({"Q", "R", "S", "Sv2", "Tiramisu"});
+    std::unordered_set<StringPiece>({"Q", "R", "S", "Sv2", "Tiramisu", "UpsideDownCake"});
 
 static const std::vector<std::pair<uint16_t, ApiVersion>> sAttrIdMap = {
     {0x021c, 1},