Fix new[] vs delete mismatch.

Detected with AddressSanitizer.

Bug: 18202869
Change-Id: I7fa9ee722766968e33faa4d9312385ca303ca274
(cherry picked from commit a37f84ecce59a0d11a687b55527ccb18d4db7f52)
diff --git a/media/libstagefright/codecs/aacdec/SoftAAC2.cpp b/media/libstagefright/codecs/aacdec/SoftAAC2.cpp
index 10937ec..965c55e 100644
--- a/media/libstagefright/codecs/aacdec/SoftAAC2.cpp
+++ b/media/libstagefright/codecs/aacdec/SoftAAC2.cpp
@@ -75,7 +75,7 @@
 
 SoftAAC2::~SoftAAC2() {
     aacDecoder_Close(mAACDecoder);
-    delete mOutputDelayRingBuffer;
+    delete[] mOutputDelayRingBuffer;
 }
 
 void SoftAAC2::initPorts() {