Upgrade Compose version to 1.6.0-alpha01

To match the platform prebuilts version.

Also upgrade compile sdk version because new library is compiled at 34.

Bug: 284913888
Test: Gradle Sync
Test: Run Gallery
Change-Id: Id633a168c4aab0c1eefa6392b25f3e143f749b5d
diff --git a/packages/SettingsLib/Spa/tests/Android.bp b/packages/SettingsLib/Spa/tests/Android.bp
index f9e64ae..0d9ba54 100644
--- a/packages/SettingsLib/Spa/tests/Android.bp
+++ b/packages/SettingsLib/Spa/tests/Android.bp
@@ -36,5 +36,6 @@
         "mockito-target-minus-junit4",
     ],
     kotlincflags: ["-Xjvm-default=all"],
+    sdk_version: "current",
     min_sdk_version: "31",
 }