Merge "Fix memory leak in ShaderCache" into pi-dev

    int maxTries = 3;

    while (valueSize > mObservedBlobValueSize && maxTries > 0) {

        mObservedBlobValueSize = std::min(valueSize, maxValueSize);

        valueBuffer = realloc(valueBuffer, mObservedBlobValueSize);

        if (!valueBuffer) {

        void *newValueBuffer = realloc(valueBuffer, mObservedBlobValueSize);

        if (!newValueBuffer) {

            free(valueBuffer);

            return nullptr;

        }

        valueBuffer = newValueBuffer;

        valueSize = bc->get(key.data(), keySize, valueBuffer, mObservedBlobValueSize);

        maxTries--;

    }