Allow to start adb with --adb option in chrome tests

* [Fix error launching avd] Revert change of line 762 of this commit: https://github.com/appium/appium/commit/5401b42d3ed1a4086ac969cb8d6c5bc07a98ed25#diff-d4541b272a5b0a77b423305223ffd8dfL762. The method checkSdkBinaryPresent() returns paths with quotation marks.

* [Use --adb option with chrome tests] Allow to start adb with --adb option in chrome tests. Solves this problem: https://groups.google.com/forum/#!topic/appium-discuss/MhtRoE4qj_E