Not to start CredentialManagerService on wear if flag not enabled.

DD: go/wear-dd-credential-manager
Bug: 301168341
Tested: enable/disabled flag with adb command and reboot the system, ·getSystemService("credential")· returns non-null/null result correspondingly.
Change-Id: Id5140bc13e691cf2c5c5be22884d06292107e369
1 file changed