Ignore "android.net.ipsec.ike" <uses-library> tag

"android.net.ipsec.ike" is converted from a shared library to a jar
in boot classpath since S. This CL makes package manager to ignore
<uses-library name="android.net.ipsec.ike"> to avoid loading the
jar again from the app class loader.

Bug: 177266501
Test: build, flash, boot
Test: AndroidNetIpSecIkeUpdaterTest, PackageBackwardCompatibilityTest
Change-Id: I05c8c46f102b01945724077830dc9871ab407c1d