[Passpoint] Allow self signed CAs for Passpoint R1

Allow self signed CAs to be installed from Passpoint R1
profile. This removes the restriction that a CA certificate
must be validated first.

Bug: 147302157
Test: atest PasspointManagerTest
Change-Id: Id7fe3620839d08b42c57ff25b4cb99e101f1b824
4 files changed
tree: c13587c06f2b0d56c8d47d9706a59ba5380a83b1
  1. apex/
  2. service/
  3. PREUPLOAD.cfg