ALGIERS — Algerians were left out of the Arab uprisings that swept the region two years ago, abandoning their own popular protests after a series of government reforms calmed a population still reeling from the instability of a deadly civil war in the 1990s. But near-daily demonstrations like this one, including labor strikes across the country, are highlighting a deep social malaise and resentment of what Algerians say is an increasingly corrupt government that deserves little trust.