Replace `aconfig dump --format=bool` with explicit format string

aconfig will remove its support for format aliases in an attempt to make
future maintenance easier. Update soong accordingly.

Bug: 317044915
Test: m
Change-Id: I20157ea8c7b441d4e416967d29fc7768c917e688
diff --git a/aconfig/init.go b/aconfig/init.go
index c1b923b..a2b508a 100644
--- a/aconfig/init.go
+++ b/aconfig/init.go
@@ -43,7 +43,7 @@
 	// For create-device-config-sysprops: Generate aconfig flag value map text file
 	aconfigTextRule = pctx.AndroidStaticRule("aconfig_text",
 		blueprint.RuleParams{
-			Command: `${aconfig} dump --format bool` +
+			Command: `${aconfig} dump --format='{fully_qualified_name}={state:bool}'` +
 				` --cache ${in}` +
 				` --out ${out}.tmp` +
 				` && ( if cmp -s ${out}.tmp ${out} ; then rm ${out}.tmp ; else mv ${out}.tmp ${out} ; fi )`,