Make ApexTest::isGSI() return true on automotive

The property ro.product.system_ext.name may be aosp_car_x86 or
aosp_car_x86_64 on automotive GSI images but those values are missing
in ApexTest::IsGSI().

Test: ApexTest
Bug: 205882471

Change-Id: I39007437b3986c681f64694bc1bcf0a9876eb22c
Signed-off-by: Ted Lyngmo <ted.lyngmo@volvocars.com>
1 file changed