RFR: 8255240: Mobile builds need to exclude some modules [v4]

[Johan Vos]

> exclude some modules that are not relevant on Mobile.
> Fix for JDK-8255240

Johan Vos has updated the pull request incrementally with one additional commit since the last revision:

  Fix OS/CPU mistake to not include SA on mobile
  include hotspot.agent, management and management.agent

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Changes:
  - all: https://git.openjdk.java.net/mobile/pull/10/files
  - new: https://git.openjdk.java.net/mobile/pull/10/files/f9040c97..91302188

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=mobile&pr=10&range=03
 - incr: https://webrevs.openjdk.java.net/?repo=mobile&pr=10&range=02-03

  Stats: 10 lines in 3 files changed: 4 ins; 3 del; 3 mod
  Patch: https://git.openjdk.java.net/mobile/pull/10.diff
  Fetch: git fetch https://git.openjdk.java.net/mobile pull/10/head:pull/10

PR: https://git.openjdk.java.net/mobile/pull/10