[Morello][lldb] Add more end-to-end tests

Test the disassembly command, as well as memory and register reads.
4 jobs for !67 with lldb/end2end-test in 288 minutes and 15 seconds (queued for 2 seconds)
latest detached
Status Job ID Name Coverage
  Build
passed #5201
build-toolchain

02:00:08

 
  Test
passed #5202
test-android

00:53:55

passed #5203
test-tf-a

00:03:56

 
  Validate
passed #5204
arm64
validate-android

01:54:11