Raise an error instead of panic in SplitApexJarPairs.

Test: aosp_walleye-userdebug boots
Change-Id: I9a1c4ec5c8862b1936820b3cee6db9a85015cb0e
diff --git a/java/dexpreopt_bootjars.go b/java/dexpreopt_bootjars.go
index dffdc24..90457d0 100644
--- a/java/dexpreopt_bootjars.go
+++ b/java/dexpreopt_bootjars.go
@@ -109,11 +109,11 @@
 	return nil
 }
 
-func (image bootImageConfig) moduleName(idx int) string {
+func (image bootImageConfig) moduleName(ctx android.PathContext, idx int) string {
 	// Dexpreopt on the boot class path produces multiple files. The first dex file
 	// is converted into 'name'.art (to match the legacy assumption that 'name'.art
 	// exists), and the rest are converted to 'name'-<jar>.art.
-	_, m := android.SplitApexJarPair(image.modules[idx])
+	_, m := android.SplitApexJarPair(ctx, image.modules[idx])
 	name := image.stem
 	if idx != 0 || image.extends != nil {
 		name += "-" + stemOf(m)
@@ -121,9 +121,9 @@
 	return name
 }
 
-func (image bootImageConfig) firstModuleNameOrStem() string {
+func (image bootImageConfig) firstModuleNameOrStem(ctx android.PathContext) string {
 	if len(image.modules) > 0 {
-		return image.moduleName(0)
+		return image.moduleName(ctx, 0)
 	} else {
 		return image.stem
 	}
@@ -132,7 +132,7 @@
 func (image bootImageConfig) moduleFiles(ctx android.PathContext, dir android.OutputPath, exts ...string) android.OutputPaths {
 	ret := make(android.OutputPaths, 0, len(image.modules)*len(exts))
 	for i := range image.modules {
-		name := image.moduleName(i)
+		name := image.moduleName(ctx, i)
 		for _, ext := range exts {
 			ret = append(ret, dir.Join(ctx, name+ext))
 		}
@@ -261,7 +261,7 @@
 	}
 
 	name := ctx.ModuleName(module)
-	index := android.IndexList(name, android.GetJarsFromApexJarPairs(image.modules))
+	index := android.IndexList(name, android.GetJarsFromApexJarPairs(ctx, image.modules))
 	if index == -1 {
 		return -1, nil
 	}
@@ -314,7 +314,7 @@
 	// Ensure all modules were converted to paths
 	for i := range bootDexJars {
 		if bootDexJars[i] == nil {
-			_, m := android.SplitApexJarPair(image.modules[i])
+			_, m := android.SplitApexJarPair(ctx, image.modules[i])
 			if ctx.Config().AllowMissingDependencies() {
 				missingDeps = append(missingDeps, m)
 				bootDexJars[i] = android.PathForOutput(ctx, "missing")
@@ -614,7 +614,7 @@
 
 	return ctx.Config().Once(updatableBcpPackagesRuleKey, func() interface{} {
 		global := dexpreopt.GetGlobalConfig(ctx)
-		updatableModules := android.GetJarsFromApexJarPairs(global.UpdatableBootJars)
+		updatableModules := android.GetJarsFromApexJarPairs(ctx, global.UpdatableBootJars)
 
 		// Collect `permitted_packages` for updatable boot jars.
 		var updatablePackages []string
diff --git a/java/dexpreopt_config.go b/java/dexpreopt_config.go
index 41a2ca7..f13d9f2 100644
--- a/java/dexpreopt_config.go
+++ b/java/dexpreopt_config.go
@@ -39,7 +39,7 @@
 		// 2) The jars that are from an updatable apex.
 		for _, m := range global.UpdatableSystemServerJars {
 			systemServerClasspathLocations = append(systemServerClasspathLocations,
-				dexpreopt.GetJarLocationFromApexJarPair(m))
+				dexpreopt.GetJarLocationFromApexJarPair(ctx, m))
 		}
 		if len(systemServerClasspathLocations) != len(global.SystemServerJars)+len(global.UpdatableSystemServerJars) {
 			panic(fmt.Errorf("Wrong number of system server jars, got %d, expected %d",
@@ -80,7 +80,7 @@
 }
 
 func getDexLocation(ctx android.PathContext, target android.Target, module string) string {
-	apex, jar := android.SplitApexJarPair(module)
+	apex, jar := android.SplitApexJarPair(ctx, module)
 
 	name := stemOf(jar) + ".jar"
 
@@ -156,7 +156,7 @@
 			c.symbolsDir = deviceDir.Join(ctx, "dex_"+c.name+"jars_unstripped")
 
 			// expands to <stem>.art for primary image and <stem>-<1st module>.art for extension
-			imageName := c.firstModuleNameOrStem() + ".art"
+			imageName := c.firstModuleNameOrStem(ctx) + ".art"
 
 			// The path to bootclasspath dex files needs to be known at module
 			// GenerateAndroidBuildAction time, before the bootclasspath modules have been compiled.
@@ -164,7 +164,7 @@
 			// TODO(b/143682396): use module dependencies instead
 			inputDir := deviceDir.Join(ctx, "dex_"+c.name+"jars_input")
 			for _, m := range c.modules {
-				_, jar := android.SplitApexJarPair(m)
+				_, jar := android.SplitApexJarPair(ctx, m)
 				c.dexPaths = append(c.dexPaths, inputDir.Join(ctx, stemOf(jar)+".jar"))
 			}
 			c.dexPathsDeps = c.dexPaths
@@ -215,7 +215,7 @@
 
 		updatableBootclasspath := make([]string, len(global.UpdatableBootJars))
 		for i, p := range global.UpdatableBootJars {
-			updatableBootclasspath[i] = dexpreopt.GetJarLocationFromApexJarPair(p)
+			updatableBootclasspath[i] = dexpreopt.GetJarLocationFromApexJarPair(ctx, p)
 		}
 
 		bootclasspath := append(copyOf(image.getAnyAndroidVariant().dexLocationsDeps), updatableBootclasspath...)