Migrate ErrorProne docs to AndroidX

Classes in the `android.support` package were moved to `androidx` in 2018.

PiperOrigin-RevId: 478823427

docs/bugpattern/ArrayEquals.md

@@ -1,10 +1,11 @@
 Generally when comparing arrays for equality, the programmer intends to check
 that the contents of the arrays are equal rather than that they are actually the
 same object. But many commonly used equals methods compare arrays for reference
-equality rather than content equality. These include the instance .equals()
-method, Guava's com.google.common.base.Objects#equal(), JDK's
-java.util.Objects#equals(), and Android's
-android.support.v4.util.ObjectsCompat#equals.
+equality rather than content equality. These include the instance `.equals()`
+method, Guava's `com.google.common.base.Objects#equal()`, JDK's
+`java.util.Objects#equals()`, and Android's
+`androidx.core.ObjectsCompat#equals()`.
 
-If reference equality is needed, == should be used instead for clarity.
-Otherwise, use java.util.Arrays#equals() to compare the contents of the arrays.
+If reference equality is needed, `==` should be used instead for clarity.
+Otherwise, use `java.util.Arrays#equals()` to compare the contents of the
+arrays.

docs/bugpattern/MissingSuperCall.md

@@ -1,4 +1,4 @@
 API providers may annotate a method with an annotation like
-`android.support.annotation.CallSuper` or
+`androidx.annotation.CallSuper` or
 `javax.annotation.OverridingMethodsMustInvokeSuper` to require that overriding
 methods invoke the super method. This check enforces those annotations.