Fix EOF handling in AdbClient (take 2)
Fix EOF handling in AdbClient (take 2)

Summary:
AdbClient would spin in a loop in ReadAllBytes in case the remote end was closed before reading
the requested number of bytes. Make sure we return an error in this case instead.

Reviewers: ovyalov

Subscribers: tberghammer, danalbert, lldb-commits

Differential Revision: http://reviews.llvm.org/D19916

git-svn-id: 4c4cc70b1ef44ba2b7963015e681894188cea27e@268617 91177308-0d34-0410-b5e6-96231b3b80d8

apple/swift-lldb,llvm-mirror/lldb,apple/swift-lldb,llvm-mirror/lldb,llvm-mirror/lldb,apple/swift-lldb,apple/swift-lldb,llvm-mirror/lldb,llvm-mirror/lldb,apple/swift-lldb,apple/swift-lldb