Reviewed-by: alanb, skoivu, rriggs, igerasim, rhalade, darcy

Summary: Clarify spec of CipherInputStream in Javadoc comments
Reviewed-by: ascarpino

Reviewed-by: coffeys

Reviewed-by: prr, serb

Reviewed-by: serb, aivanov

Reviewed-by: prr, serb

Reviewed-by: lancea, rgrigoriadi

Reviewed-by: lancea, rgrigoriadi

Reviewed-by: naoto

Reviewed-by: naoto

Reviewed-by: mchung, igerasim

Reviewed-by: serb, prr, ssadetsky

Reviewed-by: weijun

Reviewed-by: billyh, aefimov, erikj, rhalade

Reviewed-by: billyh, aefimov, erikj, rhalade

Reviewed-by: coffeys

Reviewed-by: chegar, rriggs, igerasim, skoivu, rhalade