Updating indexes for HEAP_ALLOC and HEAP_TOTAL in HermeticMemoryTest. HEAP_ALLOC and HEAP_TOTAL require new indexes to parse the metrics because an additional dump info(RSS) is added. Bug: 139494360 Test: hermeticmemory Change-Id: Ifc15b72ef7d785822a3d2d7b9b3f8db0313cf7c6