tree 5856733bc8688ad9c188b8a3f38b14517b759c40
parent 642b32b723c832782a4e3372724207f8e3b2e863
author Sen Jiang <senj@google.com> 1546914536 -0800
committer Treehugger Robot <treehugger-gerrit@google.com> 1547074594 +0000

Don't use temp file for public key.

If using public key from Omaha response, we wrote it to a temp file
which will be read back, this is unnecessary since we can keep it in
memory.

Test: update_engine_unittests
Change-Id: Ib9f7a9292b71b9d91a0b24c687cc989b79d3812b