Update git submodules

* Update platform/cts from branch 'master'
  to 0febf4f6f860fe550667cc063743c3cd521ed1bf
  - Merge changes If0fca1c8,I82c7fdbc
    
    * changes:
      Refine sleep length in AccessibilityEventTest
      Rework AccessibilityEventTest to use UIAutomation instead of sleeping.
    
  - Refine sleep length in AccessibilityEventTest
    
    In View, some accessibility event is throttled using a value from
    ViewConfiguration.getSendRecurringAccessibilityEventsInterval().
    
    This change adjusts the sleep length in the corresponding tests to
    deflake them.
    
    Bug: 217097407
    Bug: 215792992
    Test: android.view.accessibility.cts.AccessibilityEventTest
    Change-Id: If0fca1c8c5d27088822082a8c723a30eddd867b4
    
  - Rework AccessibilityEventTest to use UIAutomation instead of sleeping.
    
    Bug: 199101293
    Test: atest AccessibilityEventTest
    Change-Id: I82c7fdbcdbca90ee9cdf8d625627fd68dc358a79
    (cherry picked from commit 0640be0d2aeeedec6c53f4b4b6432982d8f3bf36)
    Merged-In: Id3fda53f4dd17ad9029a6d8d487ad9a166f34513
    
  - Merge changes from topic "imsservice subid notifications"
    
    * changes:
      ImsService Subscription Notifications
      Add a new countdown latch to ensure telephony unbinds
    
  - Merge changes from topics "provisioning improvement", "provisioning_improvement_2"
    
    * changes:
      modify carrier config key format for ProvisioningManager refactor
      CTS tests for the ProvisioningManager to refactor
    
  - modify carrier config key format for ProvisioningManager refactor
    
    Bug: 214885306
    Test: atest CtsImsServiceTest
    Change-Id: If91e0b6f0a6afb231a8943c29936633911d53951
    Merged-In: If91e0b6f0a6afb231a8943c29936633911d53951
    
  - ImsService Subscription Notifications
    
    test the new APIs that have been added in the ImsService.
    test older devices that are not upgrading to using the new API.
    
    Bug: 197991451
    Test: atest CtsTelephonyTestCases:ImsServiceTest
    
    Change-Id: I0b7685e2bd170ebab7a7b6d997f18a5e90709314
    Merged-In: I0b7685e2bd170ebab7a7b6d997f18a5e90709314
    
  - Add a new countdown latch to ensure telephony unbinds
    
    1) After each test, ensure that AOSP has unbound before continuing.
    2) Enhance logging and fix some logging typos
    
    Bug: 197991451
    
    Test: atest CtsTelephonyTestCases:ImsServiceTest
    Change-Id: I2ea68d615c38dae08fb30fff324aa1d2bbb0114c
    Merged-In: I2ea68d615c38dae08fb30fff324aa1d2bbb0114c
    
  - CTS tests for the ProvisioningManager to refactor
    
    Bug: 197992603
    Test: atest CtsImsServiceTest
    Change-Id: I38dff74030513186bf66b96ff4797af0905c2d8c
    Merged-In: I38dff74030513186bf66b96ff4797af0905c2d8c