Certificate pining failure

[robertogds]

After updating to 2.12.15 I'm getting the following error when trying to connect to sandbox environment:

E/paypal.sdk: request failed with server response:Certificate pinning failure!
Peer certificate chain:
sha1/SQ+EdYjo3ZoEORzSEC2JQV3g3L4=: CN=api-m.paypal.com,OU=CDN Support,O=PayPal, Inc.,L=San Jose,ST=California,C=US
sha1/UCM4nF92oH7yVEZeTyGW+BRFtB4=: CN=Symantec Class 3 Secure Server CA - G4,OU=Symantec Trust Network,O=Symantec Corporation,C=US
Pinned certificates for api-m.sandbox.paypal.com:
sha1/u8I+KQuzKHcdrT6iTb30I70GsD0=
sha1/7Q3I1izTEynYgv4tw/zFENNNuxQ=
sha1/sYEIGhmkwJQf+uiVKMEkyZs0rMc=
sha1/gzF+YoVCU9bXeDGQ7JGQVumRueM=

E/paypal.sdk: SERVER_COMMUNICATION_ERROR

[braebot]

Duplicate of #228.