Fix bug in assumption of ApexShimValidationTest

mHostUtils.isApexUpdateSupported returns a boolean which we were
comparing with a string.

Bug: 160296318
Test: atest ApexShimValidationTest
Change-Id: I533083a962e7ef05a1657d3f45c353605544902f
Merged-In: I533083a962e7ef05a1657d3f45c353605544902f
(cherry picked from commit 89c1638abddff21d0dc3affbd19037066beaf1d8)
1 file changed