Update git submodules

* Update frameworks/support from branch 'androidx-master-dev'
  to 0af754c8d8aa086c7f60923cefb13e90484288cc
  - Merge "Split preferencesKey<T> into individual types, e.g. intPreferencesKey, longPreferencesKey, etc." into androidx-master-dev
  - Split preferencesKey<T> into individual types, e.g. intPreferencesKey, longPreferencesKey, etc.
    
    Test: PreferencesFromJavaTest
    Relnote: """ The preferencesKey<T>(name: String): Key<T> method has been removed and replaced with methods specific to each supported type, for example preferencesKey<Int>("int") is now preferencesIntKey("int") """
    Bug: 170311106
    Change-Id: Ibcfac9cca7c8a3dbf2eaae17bdb8c22a8ce5a9f7
    
diff --git a/frameworks/support b/frameworks/support
index 5d9720a..0af754c 160000
--- a/frameworks/support
+++ b/frameworks/support
@@ -1 +1 @@
-Subproject commit 5d9720a320ac1145dd9ee7ce421a07531a715c1f
+Subproject commit 0af754c8d8aa086c7f60923cefb13e90484288cc