tree c338cc3e99b383e1271e9609ccc6684bb294eb64
parent 1c809a3d3240978ab393b48ec5501090ec5a0e57
author Andreas Gampe <agampe@google.com> 1480374395 -0800
committer Andreas Gampe <agampe@google.com> 1480374395 -0800

Preload2: Add isSingleThreaded

Expose whether a UI is single-threaded to avoid spawning threads
in actions.

Bug: 31961946
Test: manual
Change-Id: I37c8daa6a00784e833bad53b8e83ab4417955df7