Merge "Reorganize aconfig flags" into main

core/api/current.txt

core/java/android/text/ClientFlags.java

core/java/android/text/TextFlags.java

core/java/android/text/flags/custom_locale_fallback.aconfig

core/java/android/text/flags/deprecate_fonts_xml.aconfig

core/java/android/text/flags/fix_double_underline.aconfig

...ava/android/text/flags/fix_line_height_for_locale.aconfig

core/java/android/text/flags/flags.aconfig

...a/android/text/flags/no_break_no_hyphenation_span.aconfig

core/java/android/text/flags/optimized_font_loading.aconfig

core/java/android/text/flags/phrase_strict_fallback.aconfig

core/java/android/text/flags/use_bounds_for_width.aconfig

...ests/src/android/graphics/TypefaceSystemFallbackTest.java

.../java/android/graphics/fonts/FontCustomizationParser.java

graphics/java/android/graphics/fonts/FontFamily.java

graphics/java/android/graphics/fonts/SystemFonts.java

graphics/java/android/graphics/text/PositionedGlyphs.java