Original AOSP/libcore commit from Vladimir Marko:
Add StrictLineReader for efficient reading of lines
consistent with Streams.readAsciiLine(). Use this to improve
DiskLruCache.readJournal() and initialization of
HttpResponseCache$Entry from InputStream.
(cherry-pick of e03b551079aae1204e505f1dc24f2b986ef82ec0.)
Bug: 6739304
Change-Id: If3083031f1368a9bbbd405c91553d7a205fd4e39
