Fix AMR decoder

Previous change caused EOS to be ignored.

Bug: 27843673
Related-to-bug: 27662364
Change-Id: Ia148a88abc861a9b393f42bc7cd63d8d3ae349bc

media/libstagefright/codecs/amrnb/dec/SoftAMR.cpp

diff --git a/media/libstagefright/codecs/amrnb/dec/SoftAMR.cpp b/media/libstagefright/codecs/amrnb/dec/SoftAMR.cpp
index 77c3742..955309a 100644
--- a/media/libstagefright/codecs/amrnb/dec/SoftAMR.cpp
+++ b/media/libstagefright/codecs/amrnb/dec/SoftAMR.cpp
@@ -286,13 +286,6 @@
         BufferInfo *inInfo = *inQueue.begin();
         OMX_BUFFERHEADERTYPE *inHeader = inInfo->mHeader;
 
-        if (inHeader->nFilledLen == 0) {
-            inInfo->mOwnedByUs = false;
-            inQueue.erase(inQueue.begin());
-            notifyEmptyBufferDone(inHeader);
-            continue;
-        }
-
         BufferInfo *outInfo = *outQueue.begin();
         OMX_BUFFERHEADERTYPE *outHeader = outInfo->mHeader;
 
@@ -310,6 +303,13 @@
             return;
         }
 
+        if (inHeader->nFilledLen == 0) {
+            inInfo->mOwnedByUs = false;
+            inQueue.erase(inQueue.begin());
+            notifyEmptyBufferDone(inHeader);
+            continue;
+        }
+
         if (inHeader->nOffset == 0) {
             mAnchorTimeUs = inHeader->nTimeStamp;
             mNumSamplesOutput = 0;