Add lint baseline to address NewApi errors

We are enabling a new lint check where the min sdk != compile sdk.
It has produced a lot of errors and adding the baseline file(s)
allows us to continue work without introducing more problems.

Bug: 150847901

Test: m lint-check
Change-Id: Ide8a8fe80ba31396f23853ab266afcbcc33af9a6
diff --git a/packages/SettingsLib/HelpUtils/lint-baseline.xml b/packages/SettingsLib/HelpUtils/lint-baseline.xml
new file mode 100644
index 0000000..940f027
--- /dev/null
+++ b/packages/SettingsLib/HelpUtils/lint-baseline.xml
@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<issues format="5" by="lint 4.1.0" client="cli" variant="all" version="4.1.0">
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 28 (current min is 21): `android.content.pm.PackageInfo#getLongVersionCode`"
+        errorLine1="                sCachedVersionCode = Long.toString(info.getLongVersionCode());"
+        errorLine2="                                                        ~~~~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/HelpUtils/src/com/android/settingslib/HelpUtils.java"
+            line="239"
+            column="57"/>
+    </issue>
+
+</issues>