MediaDrm#mNativeContext is a long, not int.

Therefore, we must use SetLongField and not SetIntField.

Change-Id: I2a805dd6b7c8e4905e742d8632d941f381a05930
Don't pseudolocalize untranslatable strings.

bug: https://code.google.com/p/android/issues/detail?id=63004
Change-Id: I8e47a53d887144dc867111e42313d0e113b83ea1