Support change in global account ID - Add allow_context_updates param in sfservice

[Pooja-08]

Resolves HCPCFS-3055

[cf-gitbot]

We have created an issue in Pivotal Tracker to manage this:

https://www.pivotaltracker.com/story/show/179400598

The labels on this github issue will be updated when the story is started.

[codecov]

Codecov Report

Merging #1417 (860b3c3) into master (375168f) will decrease coverage by 0.14%.
The diff coverage is n/a.

❗ Current head 860b3c3 differs from pull request most recent head 81af8f4. Consider uploading reports for the commit 81af8f4 to get more accurate results

@@            Coverage Diff             @@
##           master    #1417      +/-   ##
==========================================
- Coverage   72.98%   72.84%   -0.15%     
==========================================
  Files          44       44              
  Lines        4198     4198              
==========================================
- Hits         3064     3058       -6     
- Misses        809      814       +5     
- Partials      325      326       +1     

[coveralls]

Pull Request Test Coverage Report for Build 5573

• 6 of 17 (35.29%) changed or added relevant lines in 2 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage decreased (-0.1%) to 88.644%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
broker/core/models/src/catalog.js	0	5	0.0%
broker/applications/osb-broker/src/api-controllers/middleware/index.js	6	12	50.0%

Totals
Change from base Build 5560:	-0.1%
Covered Lines:	9717
Relevant Lines:	10580

---

💛 - Coveralls

[vinaybheri]

Validation on k8s cluster: n-2 is succeeded.

[vinaybheri]

Validation on k8s cluster: n+n+n is succeeded.

[vinaybheri]

Validation on k8s cluster: n-1 is succeeded.

[vinaybheri]

Validation on k8s cluster: n-2 is succeeded.

[vinaybheri]

Validation on k8s cluster: n+n+n is succeeded.

[vinaybheri]

Validation on k8s cluster: n-2 is succeeded.

[vinaybheri]

Validation on k8s cluster: n+n+n is succeeded.