Merge "Allow the host to send empty clipboards to the guest" am: d20bc58ae9

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2415825

Change-Id: I8b6ec791f558933f3111006d26e6d651785267eb
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
diff --git a/services/core/java/com/android/server/clipboard/EmulatorClipboardMonitor.java b/services/core/java/com/android/server/clipboard/EmulatorClipboardMonitor.java
index dce1c96..39c649b 100644
--- a/services/core/java/com/android/server/clipboard/EmulatorClipboardMonitor.java
+++ b/services/core/java/com/android/server/clipboard/EmulatorClipboardMonitor.java
@@ -111,7 +111,7 @@
         bb.order(ByteOrder.LITTLE_ENDIAN);
         final int msgLen = bb.getInt();
 
-        if (msgLen <= 0 || msgLen > MAX_CLIPBOARD_BYTES) {
+        if (msgLen < 0 || msgLen > MAX_CLIPBOARD_BYTES) {
             throw new ProtocolException("Clipboard message length: " + msgLen + " out of bounds.");
         }