[lldb][test_suite] Fix skipIfTargetAndroid decorator
[lldb][test_suite] Fix skipIfTargetAndroid decorator

Summary:
Delete the duplicate func `skipIfTargetAndroid`
Fix the old one. It didn't work for missing an argument `bugnumber`, this somehow made the decorator failed

Differential Revision: https://reviews.llvm.org/D64583

Patch by Wanyi Ye <kusmour@gmail.com>

git-svn-id: 4c4cc70b1ef44ba2b7963015e681894188cea27e@366771 91177308-0d34-0410-b5e6-96231b3b80d8

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