Remove parameter from getSdkSandboxApplicationInfoForInstrumentation

The userId parameter is redundant, it can be extracted from the
ApplicationInfo.

Flag: TEST_ONLY
Bug: 306689945
Test: atest SdkSandboxManagerServiceUnitTest SdkSandboxInstrumentationTest
Change-Id: Ibbcaa7368c6a1776e454fcdbb384ac8e3433fe68
1 file changed