add boot test to vts_security_avb_test

The boot test verifies the integrity of the Generic Kernel Image (GKI).

Bug: 148800209
Test: atest AvbTest#Boot
Change-Id: Icb6a5b02e268c05495aebaac0e67dffe2b8b48c7
Merged-In: Icb6a5b02e268c05495aebaac0e67dffe2b8b48c7
1 file changed