Relax error handling in MediaCodecsXmlParser

Test: m stagefright && adb sync && adb shell stagefright -p

Bug: 111892331
Bug: 117647173
Change-Id: I5febae71d18d5085232a0d1375e497e7386f1c81
Merged-In: I5febae71d18d5085232a0d1375e497e7386f1c81
1 file changed