Revert "libandroidfw hardening for IncFs"

Revert "Move map_ptr to incfs namspace"

Revert submission 12787270

Reason for revert: b/173250495
Reverted Changes:
I5cd1bc8a2:libandroidfw hardening for IncFs
Ice5dbcfb2:Move map_ptr to incfs namspace
I29ccdc8ed:Do not cache bag parent stack until requested
I1e9e9acaa:Cache resolved theme values

Change-Id: Ib90ef68339710086df41e9abe0833a542d03a74f
diff --git a/libs/androidfw/StreamingZipInflater.cpp b/libs/androidfw/StreamingZipInflater.cpp
index 1c5e5d4..b39b5f0 100644
--- a/libs/androidfw/StreamingZipInflater.cpp
+++ b/libs/androidfw/StreamingZipInflater.cpp
@@ -70,13 +70,13 @@
 /*
  * Streaming access to compressed data held in an mmapped region of memory
  */
-StreamingZipInflater::StreamingZipInflater(const incfs::IncFsFileMap* dataMap, size_t uncompSize) {
+StreamingZipInflater::StreamingZipInflater(FileMap* dataMap, size_t uncompSize) {
     mFd = -1;
     mDataMap = dataMap;
     mOutTotalSize = uncompSize;
-    mInTotalSize = dataMap->length();
+    mInTotalSize = dataMap->getDataLength();
 
-    mInBuf = (uint8_t*) dataMap->unsafe_data(); // IncFs safety handled in zlib.
+    mInBuf = (uint8_t*) dataMap->getDataPtr();
     mInBufSize = mInTotalSize;
 
     mOutBufSize = StreamingZipInflater::OUTPUT_CHUNK_SIZE;