Add bin/try-clients to trigger client tryjobs

Will trigger the following:
  skia.primary:
    Build-Debian9-Clang-arm-Release-Flutter_Android
    Build-Debian9-Clang-cf_x86_phone-eng-Android_Framework
    Build-Debian9-Clang-host-sdk-Android_Framework
    Build-Debian9-Clang-TAP-Presubmit-G3_Framework
  luci.chromium.try:
    mac_chromium_compile_dbg_ng

Bug: skia:9154
Change-Id: I88a21865777f7da52e8333920ad9d10da5e788ec
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/219482
Reviewed-by: Eric Boren <borenet@google.com>
Commit-Queue: Ravi Mistry <rmistry@google.com>
2 files changed