Remove DEBUG_LEVEL_APP_ONLY

Bug: 260147409, 203369076
Test: atest MicrodroidHostTestCases;
atest MicrodroidTestApp;
atest ComposHostTestCases

Change-Id: Ia12019519766a01495ce4305ea8029e11317ca7d
diff --git a/javalib/api/system-current.txt b/javalib/api/system-current.txt
index f364f4c..fb7c98c 100644
--- a/javalib/api/system-current.txt
+++ b/javalib/api/system-current.txt
@@ -63,8 +63,7 @@
     method @Nullable public String getPayloadBinaryPath();
     method public boolean isCompatibleWith(@NonNull android.system.virtualmachine.VirtualMachineConfig);
     method public boolean isProtectedVm();
-    field public static final int DEBUG_LEVEL_APP_ONLY = 1; // 0x1
-    field public static final int DEBUG_LEVEL_FULL = 2; // 0x2
+    field public static final int DEBUG_LEVEL_FULL = 1; // 0x1
     field public static final int DEBUG_LEVEL_NONE = 0; // 0x0
   }