Import new Bionic module from Android overlay instead where possible

Also, add the import in `Environment.swift` too

Author: finagolfin

Fixtures/DependencyResolution/External/Complex/FisherYates/src/Fisher-Yates_Shuffle.swift

@@ -4,8 +4,8 @@ import Darwin
 import Glibc
 #elseif canImport(Musl)
 import Musl
-#elseif canImport(Android)
-import Android
+#elseif canImport(Bionic)
+import Bionic
 #endif
 
 public extension Collection {

Sources/Basics/Environment/Environment.swift

@@ -19,6 +19,8 @@ import Musl
 #elseif os(Windows)
 import CRT
 import WinSDK
+#elseif canImport(Bionic)
+import Bionic
 #else
 import Darwin.C
 #endif

Sources/Build/TestObservation.swift

@@ -132,8 +132,8 @@ public func generateTestObservationCode(buildParameters: BuildParameters) -> Str
         @_exported import WinSDK
         #elseif os(WASI)
         @_exported import WASILibc
-        #elseif canImport(Android)
-        @_exported import Android
+        #elseif canImport(Bionic)
+        @_exported import Bionic
         #else
         @_exported import Darwin.C
         #endif

Sources/CoreCommands/SwiftCommandState.swift

@@ -39,8 +39,8 @@ import Darwin
 import Glibc
 #elseif canImport(Musl)
 import Musl
-#elseif canImport(Android)
-import Android
+#elseif canImport(Bionic)
+import Bionic
 #endif
 
 import func TSCBasic.exec