Use sgdisk to create better-aligned MBR tables.

We heavily leverage sgdisk, which already has a bunch of logic to
optimally align partitions.  We've been using it for the adoptable
storage GPT tables, and now we also use it for MBR tables.

Test: cts-tradefed run commandAndExit cts-dev --abi armeabi-v7a -m CtsAppSecurityHostTestCases -t android.appsecurity.cts.AdoptableHostTest
Bug: 63735902
Change-Id: I846a8c96930ec2c6ab12e54dc2d464b17f7c54a9
1 file changed