[Material] Update sdk_version to 34 for MDC dependency

See ag/26765145 for details

Test: local raven device
Bug: 299907492
Bug: 331987027

Change-Id: I9a30d057733b530a81825d43a349068ff7020212
diff --git a/Android.bp b/Android.bp
index 72f55a7..d131d24 100644
--- a/Android.bp
+++ b/Android.bp
@@ -21,7 +21,7 @@
 android_app {
     name: "UniversalMediaPlayer",
     min_sdk_version: "24", // TODO(b/123716038) Sync min SDK version with build.gradle
-    sdk_version: "31",
+    sdk_version: "34",
     srcs: [
         "gen/**/*.java", // TODO(b/123702784) Remove gen/ (either generate or remove dependencies)
         "java/**/*.java"