Clean up hard-coded min_sdk_version/apex_available

Set min_sdk_version/apex_available for modules used by
com.android.permission APEX.

Bug: 147364041
Bug: 158059172
Test: m
Change-Id: Ibbc89948512ccd6ca574ff39c311698be960999b
diff --git a/iconloaderlib/Android.bp b/iconloaderlib/Android.bp
index 6867e6b..083091d 100644
--- a/iconloaderlib/Android.bp
+++ b/iconloaderlib/Android.bp
@@ -45,4 +45,8 @@
         "src/**/*.java",
         "src_full_lib/**/*.java",
     ],
+    apex_available: [
+        "//apex_available:platform",
+        "com.android.permission",
+    ],
 }