Mark VP8 decoder as valid.

It looks like the codec name was lost in ag/13694191 accidentally.

Bug: 186361543
Test: Run any CTS test and check MediaDeviceInfo.deviceinfo.json
Change-Id: I3ed72bb3f6ea6eb88652aca778adb2fd3fe2049a

common/V4L2ComponentCommon.cpp

@@ -25,7 +25,7 @@ const std::string V4L2ComponentName::kVP9SecureDecoder = "c2.v4l2.vp9.decoder.se
 // static
 bool V4L2ComponentName::isValid(const char* name) {
     return name == kH264Encoder || name == kVP8Encoder || name == kVP9Encoder ||
-           name == kH264Decoder || name == kVP9Encoder || name == kVP9Decoder ||
+           name == kH264Decoder || name == kVP8Decoder || name == kVP9Decoder ||
            name == kH264SecureDecoder || name == kVP8SecureDecoder || name == kVP9SecureDecoder;
 }