Implemented Selection.set_font() for Android #4237

Job	Run time
Pre-commit checks / Pre-commit Checks	39s
Check towncrier / Towncrier Checks	38s
Python Package (core) / Create Python Package	1m 13s
Python Package (cocoa) / Create Python Package	59s
Python Package (android) / Create Python Package	1m 6s
Python Package (demo) / Create Python Package	1m 27s
Python Package (gtk) / Create Python Package	1m 18s
Python Package (textual) / Create Python Package	58s
Python Package (dummy) / Create Python Package	1m 17s
Python Package (iOS) / Create Python Package	1m 22s
Python Package (web) / Create Python Package	1m 7s
Python Package (toga) / Create Python Package	1m 19s
Python Package (winforms) / Create Python Package	1m 5s
core (macos, 3.8)	1m 10s
core (macos, 3.9)	1m 8s
core (macos, 3.10)	1m 20s
core (macos, 3.11)	1m 11s
core (macos, 3.12-dev)	1m 55s
core (ubuntu, 3.8)	37s
core (ubuntu, 3.9)	43s
core (ubuntu, 3.10)	48s
core (ubuntu, 3.11)	46s
core (ubuntu, 3.12-dev)	1m 16s
core (windows, 3.8)	1m 42s
core (windows, 3.9)	1m 33s
core (windows, 3.10)	1m 48s
core (windows, 3.11)	1m 44s
core (windows, 3.12-dev)	4m 10s
Combine & check core coverage.	28s
testbed (macOS)	3m 23s
backend (android)	28s
testbed (windows)	3m 41s
backend (cocoa)	41s
testbed (linux)	3m 25s
backend (gtk)	1m 28s
testbed (android)	16m 48s
backend (iOS)	46s
testbed (iOS)	7m 32s
backend (web)	27s
backend (winforms)	1m 21s
	1h 16m 47s

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