Fix the widevine crash problem

BZ: 151018

The mErrReportEnabled is not initialized before use it. In this fix,
mErrReportEnabled is set to false in the VideoDecoderBase constructor.

Change-Id: I7c1b9d52a73fcc41264b70813c605c7be2a77e38
Signed-off-by: wfeng6 <wei.feng@intel.com>
diff --git a/videodecoder/VideoDecoderBase.cpp b/videodecoder/VideoDecoderBase.cpp
index 9fd96f9..00e9d94 100644
--- a/videodecoder/VideoDecoderBase.cpp
+++ b/videodecoder/VideoDecoderBase.cpp
@@ -68,7 +68,8 @@
       mParserType(type),
       mParserHandle(NULL),
       mInitialized(false),
-      mSignalBufferSize(0) {
+      mSignalBufferSize(0),
+      mErrReportEnabled(false){
 
     memset(&mVideoFormatInfo, 0, sizeof(VideoFormatInfo));
     memset(&mConfigBuffer, 0, sizeof(mConfigBuffer));