e-mission-phone: prereq_android_sdk_install.sh installs x86 system images on arm64

[catarial]

Default OSX on arm64 fails to emulate x86. We should add a check for the host architecture to install the correct system images.

[catarial]

relevant output:

(base) anolan anolan-40338s ~
> sdkmanager --list_installed
[=======================================] 100% Fetch remote repository...       
Installed packages:
  Path                                                     | Version | Description                                | Location                                                
  -------                                                  | ------- | -------                                    | -------                                                 
  build-tools;34.0.0                                       | 34.0.0  | Android SDK Build-Tools 34                 | build-tools/34.0.0                                      
  emulator                                                 | 35.1.20 | Android Emulator                           | emulator                                                
  extras;google;google_play_services                       | 49      | Google Play services                       | extras/google/google_play_services                      
  platform-tools                                           | 35.0.2  | Android SDK Platform-Tools                 | platform-tools                                          
  platforms;android-34                                     | 3       | Android SDK Platform 34                    | platforms/android-34                                    
  system-images;android-24;google_apis_playstore;x86       | 19      | Google Play Intel x86 Atom System Image    | system-images/android-24/google_apis_playstore/x86      
  system-images;android-25;google_apis_playstore;x86       | 9       | Google Play Intel x86 Atom System Image    | system-images/android-25/google_apis_playstore/x86      
  system-images;android-26;google_apis_playstore;x86       | 7       | Google Play Intel x86 Atom System Image    | system-images/android-26/google_apis_playstore/x86      
  system-images;android-27;google_apis_playstore;x86       | 3       | Google Play Intel x86 Atom System Image    | system-images/android-27/google_apis_playstore/x86      
  system-images;android-28;google_apis_playstore;x86_64    | 8       | Google Play Intel x86_64 Atom System Image | system-images/android-28/google_apis_playstore/x86_64   
  system-images;android-29;google_apis_playstore;x86_64    | 8       | Google Play Intel x86_64 Atom System Image | system-images/android-29/google_apis_playstore/x86_64   
  system-images;android-30;google_apis_playstore;x86_64    | 10      | Google Play Intel x86_64 Atom System Image | system-images/android-30/google_apis_playstore/x86_64   
  system-images;android-31;google_apis_playstore;x86_64    | 9       | Google Play Intel x86_64 Atom System Image | system-images/android-31/google_apis_playstore/x86_64   
  system-images;android-32;google_apis_playstore;x86_64    | 4       | Google Play Intel x86_64 Atom System Image | system-images/android-32/google_apis_playstore/x86_64   
  system-images;android-33;google_apis_playstore;x86_64    | 7       | Google Play Intel x86_64 Atom System Image | system-images/android-33/google_apis_playstore/x86_64   
  system-images;android-34;google_apis_playstore;arm64-v8a | 14      | Google Play ARM 64 v8a System Image        | system-images/android-34/google_apis_playstore/arm64-v8a
  system-images;android-34;google_apis_playstore;x86_64    | 14      | Google Play Intel x86_64 Atom System Image | system-images/android-34/google_apis_playstore/x86_64   

(base) anolan anolan-40338s ~
> avdmanager create avd -k 'system-images;android-34;google_apis_playstore;x86_64' -n x86_64-test
[=======================================] 100% Fetch remote repository...       
Auto-selecting single ABI x86_64
Do you wish to create a custom hardware profile? [no] 
(base) anolan anolan-40338s ~
> /opt/homebrew/share/android-commandlinetools/emulator/emulator -avd x86_64-test
INFO    | Storing crashdata in: /tmp/android-anolan/emu-crash-35.1.20.db, detection is enabled for process: 85864
INFO    | Android emulator version 35.1.20.0 (build_id 12234392) (CL:N/A)
INFO    | Graphics backend: gfxstream
INFO    | Found systemPath /opt/homebrew/share/android-commandlinetools/system-images/android-34/google_apis_playstore/x86_64/
PANIC: Avd's CPU Architecture 'x86_64' is not supported by the QEMU2 emulator on aarch64 host.
(base) anolan anolan-40338s ~
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