Enable bounds sanitization in libaac.

Enables the UBSan bounds sanitizer in libaac. This adds bounds checks
around array accesses when the array size is known at compile time.

Bug: 117221610
Test: make -j
Test: Device boots.
Change-Id: Ib820c7ec6ef6bcbf98d8526ed213c90ab29169c2

Android.bp

@@ -25,7 +25,11 @@ cc_library_static {
         "-Wno-implicit-fallthrough",
     ],
     sanitize: {
-        misc_undefined:["unsigned-integer-overflow", "signed-integer-overflow"],
+        misc_undefined:[
+           "unsigned-integer-overflow",
+           "signed-integer-overflow",
+           "bounds",
+        ],
         cfi: true,
     },
     export_include_dirs: [