new file mode 100644
--- /dev/null
+++ b/mobile/android/gradle/base/lint.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<lint>
+    <!-- Enable relevant checks disabled by default -->
+    <issue id="NegativeMargin" severity="warning" />
+</lint>

--- a/mobile/android/mach_commands.py
+++ b/mobile/android/mach_commands.py
@@ -125,16 +125,17 @@ class MachCommands(MachCommandBase):
         srcdir('app/src/robocop_harness/org/mozilla/gecko', 'build/mobile/robocop')
         srcdir('app/src/robocop/org/mozilla/gecko/tests', 'mobile/android/tests/browser/robocop')
         srcdir('app/src/background/org/mozilla/gecko', 'mobile/android/tests/background/junit3/src')
         srcdir('app/src/browser/org/mozilla/gecko', 'mobile/android/tests/browser/junit3/src')
         # Test libraries.
         srcdir('app/libs', 'build/mobile/robocop')
 
         srcdir('base/build.gradle', 'mobile/android/gradle/base/build.gradle')
+        srcdir('base/lint.xml', 'mobile/android/gradle/base/lint.xml')
         srcdir('base/src/main/AndroidManifest.xml', 'mobile/android/gradle/base/AndroidManifest.xml')
         srcdir('base/src/main/java/org/mozilla/gecko', 'mobile/android/base')
         srcdir('base/src/main/java/org/mozilla/mozstumbler', 'mobile/android/stumbler/java/org/mozilla/mozstumbler')
         srcdir('base/src/main/java/org/mozilla/search', 'mobile/android/search/java/org/mozilla/search')
         srcdir('base/src/main/res', 'mobile/android/base/resources')
         srcdir('base/src/crashreporter/res', 'mobile/android/base/crashreporter/res')
 
         manifest_path = os.path.join(self.topobjdir, 'mobile', 'android', 'gradle.manifest')