Revert "ios: fix path to the test app"

This reverts commit 15eadb86674b47f07b21648deb3302b4c9891357.

Revert "ios: fix iossim path"

This reverts commit 9aa6e0a8124b331eb3c68900172ecbeb293deba3.

Reason for revert:
Relative paths must be used for the command when Swarming. These changes broke the ios-simulator-swarming experimental try bot.

BUG=598405
TBR=phajdan,sergiyb

Review-Url: https://codereview.chromium.org/2238483003
15 files changed