Bug 1177781 - Set all lint errors as warnings. r=nalexander

See added comment for motivations.

--HG--
extra : commitid : 9B5v4k8TBAA
extra : rebase_source : 0f6b509a015a59b325bd53c595822d2483fc24c4

mobile/android/app/base/lint.xml

@@ -5,4 +5,25 @@
 
     <!-- We have a custom menu and don't conform to the recommended styles. -->
     <issue id="IconColors" severity="ignore" />
+
+    <!-- We want all lint warnings to be fatal errors.
+         Right now, we set these to lint warnings so:
+
+         DO NOT ADD TO THIS LIST.
+
+         We did this so we can land lint in automation
+         and not fail everything. -->
+    <issue id="AppCompatResource" severity="warning" />
+    <issue id="Instantiatable" severity="warning" />
+    <issue id="LongLogTag" severity="warning" />
+    <issue id="MissingPermission" severity="warning" />
+    <issue id="MissingSuperCall" severity="warning" />
+    <issue id="NewApi" severity="warning" />
+    <issue id="OnClick" severity="warning" />
+    <issue id="ReferenceType" severity="warning" />
+    <issue id="ResourceAsColor" severity="warning" />
+    <issue id="ResourceType" severity="warning" />
+    <issue id="ValidFragment" severity="warning" />
+    <issue id="WrongConstant" severity="warning" />
+
 </lint>