Merge "Update search bar's navup content description" into oc-dr1-dev

                android:background="?android:attr/selectableItemBackground"

                android:contentInsetStartWithNavigation="64dp"

                android:navigationIcon="@drawable/ic_search_24dp"

                android:navigationContentDescription="@string/search_menu"

                android:title="@string/search_menu"

                android:titleTextAppearance="@style/TextAppearance.SearchBar"

                android:theme="?android:attr/actionBarTheme"/>